EMT Practice Test

1. Question Content...

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Question1: Which of the following commands accepts binary data as parameters?

Question2: A user has created a VPC with CIDR 20.0.0.0/16. The user has created one subnet with CIDR 20.0.0.0/16 by mistake. The user is trying to create another subnet of CIDR 20.0.1.0/24.
How can the user create the second subnet?

Question3: An organization hosts an app on EC2 instances which multiple developers need access to in order to perform updates.
The organization plans to implement some security best practices related to instance access.
Which one of the following recommendations will not help improve its security in this way?

Question4: The company Security team requires that all data uploaded into an Amazon S3 bucket must be encrypted. The encryption keys must be highly available and the company must be able to control access on a per-user basis, with different users having access to different encryption keys.
Which of the following architectures will meet these requirements? (Choose two.)

Question5: A company recently deployed a new application that runs on a group of Amazon EC2 Linux instances in a VPC In a peered VPC the company launched an EC2 Linux instance that serves as a bastion host The security group of the application instances allows access only on TCP port 22 from the private IP of the bastion host The security group of the bastion host allows access to TCP port 22 from 0 0 0.0/0 so that system administrators can use SSH to remotely log in to the application instances from several branch offices While looking through operating system logs on the bastion host, a cloud engineer notices thousands of failed SSH logins to the bastion host from locations around the world The cloud engineer wants to change how remote access is granted to the application instances and wants to meet the following requirements:
* Eliminate brute-force SSH login attempts
* Retain a log of commands run during an SSH session
* Retain the ability to forward ports
Which solution meets these requirements for remote access to the application instances?

Question6: A group of research institutions and hospitals are in a partnership to study 2 PBs of genomic data. The institute that owns the data stores it in an Amazon S3 bucket and updates it regularly. The institute would like to give all of the organizations in the partnership read access to the data. All members of the partnership are extremely cost-conscious, and the institute that owns the account with the S3 bucket is concerned about covering the costs for requests and data transfers from Amazon S3.
Which solution allows for secure datasharing without causing the institute that owns the bucket to assume all the costs for S3 requests and data transfers?

Question7: A company has an application behind a load balancer with enough Amazon EC2 instances to satisfy peak demand. Scripts and third-party deployment solutions are used to configure EC2 instances when demand increases or an instance fails. The team must periodically evaluate the utilization of the instance types to ensure that the correct sizes are deployed.
How can this workload be optimized to meet these requirements?

Question8: A media company has a 30-TB repository of digital news videos These videos are stored on tape in an on-premises tape library and referenced by a Media Asset Management (MAM) system The company wants to enrich the metadata for these videos in an automated fashion and put them into a searchable catalog by using a MAM feature The company must be able to search based on information in the video such as objects scenery items or people's faces A catalog is available that contains faces of people who have appeared in the videos that include an image of each person The company would like to migrate these videos to AWS The company has a high-speed AWS Direct Connect connection with AWS and would like to move the MAM solution video content directly from its current file system How can these requirements be met by using the LEAST amount of ongoing management overhead and causing MINIMAL disruption to the existing system"'

Question9: A company's security compliance requirements state that all Amazon EC2 images must be scanned for vulnerabilities and must pass a CVE assessment. A solutions architect is developing a mechanism to create security- approved AMIs that can be used by developers. Any new AMIs should go through an automated assessment process and be marked as approved before developers can use them. The approved images must be scanned every30 days to ensure compliance.
Which combination of steps should the solutions architect take to meet these requirements while following best practices? (Select TWO.)

Question10: A startup company hosts a fleet of Amazon EC2 instances in private subnets using the latest Amazon Linux 2 AMI The company's engineers rely heavily on SSH access to the instances for troubleshooting.
The company's existing architecture includes the following
* A VPC with private and public subnets, and a NAT gateway
* Site-to-Site VPN for connectivity with the on-premises environment
* EC2 security groups with direct SSH access from the on-premises environment The company needs to increase security controls around SSH access and provide auditing of commands executed by the engineers Which strategy should a solutions architect use''

Question11: Your department creates regular analytics reports from your company's log files All log data is collected in Amazon S3 and processed by daily Amazon Elastic MapReduce (EMR) jobs that generate daily PDF reports and aggregated tables in CSV format for an Amazon Redshift data warehouse.
Your CFO requests that you optimize the cost structure for this system.
Which of the following alternatives will lower costs without compromising average performance of the system or data integrity for the raw data?

Question12: A company stores sales transaction data in Amazon DynamoDB tables. To detect anomalous behaviors and respond quickly, all changes to the items stored in the DynamoDB tables must be logged within 30 minutes.
Which solution meets the requirements?

Question13: A company has an existing on-premises three-tier web application. The Linux web servers serve content from a centralized file share on a NAS server because the content is refreshed several times a day from various sources. The existing infrastructure is not optimized and the company would like to move to AWS in order to gain the ability to scale resources up and down in response to load. On-premises and AWS resources are connected using AWS Direct Connect.
How can the company migrate the web infrastructure to AWS without delaying the content refresh process?

Question14: A company has a requirement that only allows specially hardened AMIs to be launched into public subnets in a VPC, and for the AMIs to be associated with a specific security group. Allowing non-compliant instances to launch into the public subnet could present a significant security risk if they are allowed to operate.
A mapping of approved AMIs to subnets to security groups exists in an Amazon DynamoDB table in the same AWS account. The company created an AWS Lambda function that, when invoked, will terminate a given Amazon EC2 instance if the combination of AMI, subnet, and security group are not approved in the DynamoDB table.
What should the Solutions Architect do to MOST quickly mitigate the risk of compliance deviations?

Question15: A company has an application that runs on a fleet of Amazon EC2 instances and stores 70 GB of device data for each instance in Amazon S3. Recently, some of the S3 uploads have been failing At the same time, the company is seeing an unexpected increase in storage data costs. The application code cannot be modified What is the MOST efficient way to upload the device data to Amazon S3 while managing storage costs?

Question16: A company has a data center that must be migrated to AWS as quickly as possible. The data center has a 500 Mbps AWS Direct Connect link and a separate, fully available 1 Gbps ISP connection. A Solutions Architect must transfer 20 TB of data from the data center to an Amazon S3 bucket.
What is the FASTEST way transfer the data?

Question17: An enterprise runs 103 line-of-business applications on virtual machines in an on-premises data center. Many of the applications are simple PHP, Java, or Ruby web applications, are no longer actively developed, and serve little traffic.
Which approach should be used to migrate these applications to AWS with the LOWEST infrastructure costs ?

Question18: A healthcare company runs a production workload on AWS that stores highly sensitive personal information. The security team mandates that, for auditing purposes, any AWS API action using AWS account root user credentials must automatically create a high-priority ticket in the company's ticketing system. The ticketing system has a monthly 3-hour maintenance window when no tickets can be created.
To meet security requirements, the company enabled AWS CloudTrail logs and wrote a scheduled AWSLambda function that uses Amazon Athena to query API actions performed by the root user. The Lambda function submits any actions found to the ticketing system API. During a recent security audit, the security team discovered that several tickets were not created because the ticketing system was unavailable due to planned maintenance.
Which combination of steps should a solutions architect take to ensure that the incidents are reported to the ticketing system even during planned maintenance? (Select TWO.)

Question19: A company is in the process of implementing AWS Organizations to constrain its developers to use only Amazon. EC2, and Amazon S3, and Amazon DynamoDB. The developers account resides in a dedicated organizational unit (OU). The Solution Architect has implemented the following SCP on the Developers account:

When this policy is deployed, IAM users in the Developers account are still to use AWS services that are not listed in the policy.
What should the Solution Architect do to eliminate the developers' ability to use services outside the scope of this policy?

Question20: A company is creating a centralized logging service running on Amazon EC2 that will receive and analyze logs from hundreds of AWS accounts. AWS PrivateLink is being used to provide connectivity between the client services and the logging service.
In each AWS account with a client an interface endpoint has been created for the logging service and is available. The logging service running on EC2 instances with a Network Load Balancer (NLB) are deployed in different subnets. The clients are unable to submit logs using the VPC endpoint.
Which combination of steps should a solutions architect take to resolve this issue? (Select TWO)

Question21: The CISO of a large enterprise with multiple IT departments, each with its own AWS account, wants one central place where AWS permissions for users can be managed and users authentication credentials can be synchronized with the company's existing on-premises solution.
Which solution will meet the CISO's requirements?

Question22: A travel company built a web application that uses Amazon Simple Email Service (Amazon SES) to send email notifications to users. The company needs to enable logging to help troubleshoot email delivery issues.
The company also needs the ability to do searches that are based on recipient, subject, and time sent.
Which combination of steps should a solutions architect take to meet these requirements? (Select TWO.)

Question23: A solutions architect is designing a network for a new cloud deployment. Each account will need autonomy to modify route tables and make changes. Centralized and controlled egress internet connectivity is also needed. The cloud footprint is expected to grow to thousands ol AWS accounts.
Which architecture will meet these requirements?

Question24: A company is planning to deploy a new business analytics application that requires 10.000 hours of compute time each month. The compute resources can have flexible availability, but must be as cost-effective as possible. The company will also provide a reporting service to distribute analytics reports, which needs to run at all times How should the solutions architect design a solution that meets these requirements?

Question25: A solution architect is evaluating the reliability of a recently migrated application running on AWS. The front end is hosted on Amazon S3 and accelerated by Amazon CloudFront. The application layer running in a stateless Docker container on an Amazon EC2 On-Demand instance with an Elastic IP address. The storage layer is a MongoDB database running on an EC2 Reserved instance in the same Availability Zone as the application layer.
Which combination of steps should the solution architect take to eliminate single points of failure with minimal application code changes? (Select Two)

Question26: A company is planning to host a web application on AWS and wants to load balance the traffic across a group of Amazon EC2 instances. One of the security requirements is to enable end-to-end encryption in transit between the client and the web server.
Which solution will meet this requirement?

Question27: A company has implemented AWS Organizations. It has recently set up a number of new accounts and wants to deny access to a specific set of AWS services in these new accounts.
How can this be controlled MOST efficiently?

Question28: A company is migrating its marketing website and content management system from an on-premises data center to AWS. The company wants the AWS application to be deployed in a VPC with Amazon EC2 instances used for the web servers and an Amazon RDS instance for the database.
The company has a runbook document that describes the installation process of the on-premises system. The company would like to base the AWS system on the processes referenced in the runbook document. The runbook document describes the installation and configuration of the operating systems, network settings, the website, and content management system software on the servers After the migration is complete, the company wants to be able to make changes quickly to take advantage of other AWS features.
How can the application and environment be deployed and automated m AWS. while allowing for future changes?

Question29: An organization is setting up a web application with the JEE stack. The application uses the JBoss app server and MySQL DB. The application has a logging module which logs all the activities whenever a business function of the JEE application is called. The logging activity takes some time due to the large size of the log file.
If the application wants to setup a scalable infrastructure which of the below mentioned options will help achieve this setup?

Question30: A company uses AWS Organizations to manage one parent account and nine member accounts The number of member accounts is expected to grow as the business grows A security engineer has requested consolidation of AWS CloudTrail logs into me parent account for compliance purposes Existing logs currently stored in Amazon S3 buckets in each individual member account should not be lost Future member accounts should comply with the logging strategy Which operationally efficient solution meets these requirements?

Question31: How does AWS Data Pipeline execute activities on on-premise resources or AWS resources that you manage?

Question32: A company needs to create a centralized logging architecture for all of its AWS accounts. The architecture should provide near-real-time data analysis for all AWS CloudTrail logs and VPC Flow Logs across all AWS accounts. The company plans to use Amazon Elasticsearch Service (Amazon ES) to perform log analysis in the logging account.
Which strategy a solution architect use to meet these requirements?

Question33: A company has an organization in AWS Organizations that has a large number of AWS accounts. One of the AWS accounts is designated as a transit account and has a transit gateway that is shared with all of the other AWS accounts AWS Site-to-Site VPN connections are configured between ail of the company's global offices and the transit account The company has AWS Config enabled on all of its accounts.
The company's networking team needs to centrally manage a list of internal IP address ranges that belong to the global offices Developers Will reference this list to gain access to applications securely.
Which solution meets these requirements with the LEAST amount of operational overhead?

Question34: A sys admin is maintaining an application on AWS. The application is installed on EC2 and user has configured ELB and Auto Scaling. Considering future load increase, the user is planning to launch new servers proactively so that they get registered with ELB.
How can the user add these instances with Auto Scaling?

Question35: A company runs a proprietary stateless ETL application on an Amazon EC2 Linux instance. The application is a Linux binary, and the source code cannot be modified. The application is single-threaded, uses 2 GB of RAM. and is highly CPU intensive. The application is scheduled to run every 4 hours and runs for up to 20 minutes. A solutions architect wants to revise the architecture for the solution.
Which strategy should the solutions architect use?

Question36: A company has an application that sells tickets online and experiences bursts of demand every 7 days. The application has a stateless presentation layer running on Amazon EC2. an Oracle database to store unstructured data catalog information, and a backend API layer. The front-end layer uses an Elastic Load Balancer to distribute the load across nine On-Demand Instances over three Availability Zones (AZs). The Oracle database is running on a single EC2 instance. The company is experiencing performance issues when running more than two concurrent campaigns. A solutions architect must design a solution that meets the following requirements:
* Address scalability issues.
* Increase the level of concurrency.
* Eliminate licensing costs.
* Improve reliability.
Which set of steps should the solutions architect take?

Question37: Attempts, one of the three types of items associated with the schedule pipeline in the AWS Data Pipeline, provides robust data management.
Which of the following statements is NOT true about Attempts?

Question38: A Development team is deploying new APIs as serverless applications within a company. The team is currently using the AWS Management Console to provision Amazon API Gateway, AWS Lambda, and Amazon DynamoDB resources. A Solutions Architect has been tasked with automating the future deployments of these serverless APIs.
How can this be accomplished?

Question39: An ERP application is deployed across multiple AZs in a single region. In the event of failure, the Recovery Time Objective (RTO) must be less than 3 hours, and the Recovery Point Objective (RPO) must be 15 minutes the customer realizes that data corruption occurred roughly 1.5 hours ago.
What DR strategy could be used to achieve this RTO and RPO in the event of this kind of failure?

Question40: The following are AWS Storage services? Choose 2.

Question41: A company is migrating its application to AWS. The applications will be deployed to AWS accounts owned by business units. The company has several teams of Developers who are responsible for the development and maintenance of all application. The company is expecting rapid growth in the number of users The company's Chief Technology Officer has the following requirement
* Developers must launch the AWS Infrastructure using AWS CloudFormation
* Developers must not be able to create resources outside of CloudFormation
* The solution must be able to scale to hundreds of AWS accounts
Which of the following would meet these requirements? (Select TWO)

Question42: A Solutions Architect is designing a network solution for a company that has applications running in a data center in Northern Virginia. The applications in the company's data center require predictable performance to applications running in a virtual private cloud (VPC) located in us-east-1, and a secondary VPC in us-west-2 within the same account. The company data center is collocated in an AWS Direct Connect facility that serves the us-est-1 region. The company has already ordered an AWS Direct Connect connection and a cross-connect has been established.
Which solution will meet the requirements at the LOWEST cost?

Question43: A company wants to migrate a 30 TB Oracle data warehouse from on premises to Amazon Redshift The company used the AWS Schema Conversion Tool (AWS SCT) to convert the schema of the existing data warehouse to an Amazon Redshift schema The company also used a migration assessment report to identify manual tasks to complete.
The company needs to migrate the data to the new Amazon Redshift cluster during an upcoming data freeze period of 2 weeks The only network connection between the on-premises data warehouse and AWS is a 50 Mops internet connection Which migration strategy meets these requirements?

Question44: One of your AWS Data Pipeline activities has failed consequently and has entered a hard failure state after retrying thrice.
You want to try it again. Is it possible to increase the number of automatic retries to more than thrice?

Question45: A company has an Amazon EC2 deployment that has the following architecture:
* An application tier that contains 8 m4.xlarge instances
* A Classic Load Balancer
* Amazon S3 as a persistent data store
After one of the EC2 instances fails, users report very slow processing of their requests. A Solutions Architect must recommend design changes to maximize system reliability. The solution must minimize costs.
What should the Solution Architect recommend?

Question46: A Solutions Architect is building a solution for updating user metadata that is initiated by web servers. The solution needs to rapidly scale from hundreds lo tens of thousands of jobs in less than 30 seconds. The solution must be asynchronous always avertable and minimize costs Which strategies should the Solutions Architect use to meet these requirements?

Question47: A company is developing a gene reporting device that will collect genomic information to assist researchers with collecting large samples of data from a diverse population. The device will push 8 KB of genomic data every second to a data platform that will need to process and analyze the data and provide information back to researchers The data platform must meet the following requirements:
* Provide near-real-time analytics of the inbound genomic data
* Ensure the data is flexible, parallel, and durable
* Deliver results of processing to a data warehouse
Which strategy should a solutions architect use to meet these requirements?

Question48: A company is running multiple workloads in the AWS Cloud The company has separate units for software development The company uses AWS Organizations and federation with SAML to give permissions to developers to manage resources in their AWS accounts The development units each deploy their production workloads into a common production account Recently, an incident occurred in the production account in which members of a development unit terminated an EC2 instance that belonged to a different development unit. A solutions architect must create a solution that prevents a similar incident from happening in the future. The solution also must a low developers the possibilityy to manage the instances used for their workloads.
Which strategy will meet these requirements?

Question49: A company has a web application that securely uploads pictures and videos to an Amazon S3 bucket The company requires that only authenticated users are allowed to post content the application generates a presigned URL that is used to upload objects through a browser interface MOST users are reporting slow upload tames for objects larger than 100 MB What can a Solutions Architect do to improve the performance of these uploads while ensuring only authenticated users are allowed to post content?

Question50: A security engineer determined that an existing application retrieves credentials to an Amazon RDS for MySQL database from an er implement the following application design changes to improve security:
* The database must use strong, randomly generated passwords stored in a secure AWS managed service.
* The application resources must be deployed through AWS CloudFormation.
* The application must rotate credentials for the database every 90 days.
A solutions architect will generate a CloudFormation template to deploy the application.
Which resources specified in the CloudFormation template will meet the security engineer's requirements e LEAST amount of operational overhead?

Question51: A fleet of Amazon ECS instances is used to poll an Amazon SQS queue and update items in an Amazon DynamoDB database. Items in the table are not being updated, and the SQS queue is filling up. Amazon CloudWatch Logs are showing consistent 400 errors when attempting to update the table. The provisioned write capacity units are appropriately configured, and no throttling is occurring.
What is the LIKELY cause of the failure?

Question52: A video streaming company recently launched a mobile app for video sharing. The app uploads various files to an Amazon S3 bucket in the us-east-1 Region. The files range in size from 1 GB to 1 0 GB Users who access the app from Australia have experienced uploads that take long periods of time Sometimes the files fail to completely upload for these users . A solutions architect must improve the app' performance for these uploads Which solutions will meet these requirements? (Select TWO.)

Question53: The Principal element of an IAM policy refers to the specific entity that should be allowed or denied permission, whereas the translates to everyone except the specified entity.

Question54: You have been asked to design the storage layer for an application. The application requires disk performance of at least 100,000 IOPS. In addition, the storage layer must be able to survive the loss of an individual disk, EC2 instance, or Availability Zone without any data loss. The volume you provide must have a capacity of at least 3 TB.
Which of the following designs will meet these objectives?

Question55: A large company runs workloads in VPCs that are deployed of AWS accounts. Each VPC consists of public subnets and private subnets that span across multiple Availability Zones. NAT gateway are deployed in the public subnets and allow outbound connectivity to the internet from the private subnets.
A solution architect is working on a hub-and-spoke design. All private subnets in the spoke VPCs must route traffic to the internal through an aggress VPC. The solutions architect already has deployed has deployed a NAT gateway in an egress VPC in a central AWS account.
Which set of additional steps should the solution architect take to meet these requirements?

Question56: A company has a web application that securely uploads pictures and videos to an Amazon S3 bucket The company requires that only authenticated users are allowed to post content The application generates a preasigned URL that is used to upload objects through a browser interface Most users are reporting slow upload times for objects larger than 100 MB.
What can a Solutions Architect do to improve the performance of these uploads while ensuring only authenticated users are allowed to post content?

Question57: A company has implemented a global multiplayer gaming platform The platform requires gaming clients to have reliable, low-latency access to the server infrastructure that is hosted on a fleet of Amazon EC2 instances in a single AWS Region The gaming clients use a custom TCP protocol to connect to the server infrastructure The application architecture requires client IP addresses to be available to the server software Which solution meets these requirements?

Question58: Which of the following rules must be added to a mount target security group to access Amazon Elastic File System (EFS) from an on-premises server?

Question59: A company plans to move regulated and security-sensitive businesses to AWS. The Security team is developing a framework to validate the adoption of AWS best practice and industry-recognized compliance standards. The AWS Management Console is the preferred method for teams to provision resources.
Which strategies should a Solutions Architect use to meet the business requirements and continuously assess, audit, and monitor the configurations of AWS resources? (Choose two.)

Question60: A solution architect is evaluating the reliability of a recently migrated application running on AWS. The front end is hosted on Amazon S3 and accelerated by Amazon CloudFront. The application layer running in a stateless Docker container on an Amazon EC2 On-Demand instance with an Elastic IP address. The storage layer is a MongoDB database running on an EC2 Reserved instance in the same Availability Zone as the application layer.
Which combination of steps should the solution architect take to eliminate single points of failure with minimal application code changes? (Select Two)

Question61: An AWS customer has a web application that runs on premises. The web application fetches data from a third-party API that is behind a firewall. The third party accepts only one public CIDR block in each client's allow list.
The customer wants to migrate their web application to the AWS Cloud. The application will be hosted on a set of Amazon EC2 instances behind an Application Load Balancer (ALB) in a VPC. The ALB is located in public subnets. The EC2 instances are located in private subnets. NAT gateways provide internet access to the private subnets.
How should a solutions architect ensure that the web application can continue to call the third-parly API after the migration?

Question62: A developer reports receiving an Error 403: Access Denied message when they try to download an object from an Amazon S3 bucket. The S3 bucket is accessed using an S3 endpoint inside a VPC, and is encrypted with an AWS KMS key. A solution architect has verified that the developer is assuming the correct IAM role in the account that allows the object to be downloaded. The S3 bucket policy and the NACL are also valid.
Which additional step should the solutions architect take to troubleshoot this issue?

Question63: A company is running multiple workloads in the AWS Cloud. The company has separate units for software development. The company uses AWS Organizations and federation with SAML to give permissions to developers lo manage resources m their AWS accounts. The development units each deploy their production workloads into a common production account.
Recently, an incident occurred in the production account in which members of a development unit terminated an EC2 instance that belonged to a different development unit. A solutions architect must create u solution that prevents a similar incident from happening in the future. The solution also must allow developers the possibility lo manage the instances used for their workloads.
Which strategy will meet these requirements?

Question64: A company CFO recently analyzed the company's AWS monthly bill and identified an opportunity to reduce the cost for AWS Elastic Beanstalk environments in use. The CFO has asked a Solutions Architect to design a highly available solution that will spin up an Elastic Beanstalk environment in the morning and terminate it at the end of the day.
The solution should be designed with minimal operational overhead and to minimize costs. It should also be able to handle the increased use of Elastic Beanstalk environments among different teams, and must provide a one-stop scheduler solution for all teams to keep the operational costs low.
What design will meet these requirements?

Question65: A company has a new security policy. The policy requires the company to log any event that retrieves data from Amazon S3 buckets. The company must save these audit logs in a dedicated S3 bucket. The company created the audit logs S3 bucket in an AWS account that is designated for centralized logging. The S3 bucket has a bucket policy that allows write-only cross-account access A solutions architect must ensure that all S3 object-level access is being logged for current S3 buckets and future S3 buckets. Which solution will meet these requirements?

Question66: True or False: "In the context of Amazon ElastiCache, from the application's point of view, connecting to the cluster configuration endpoint is no different than connecting directly to an individual cache node."

Question67: A company is running a commercial Apache Hadoop cluster on Amazon EC2. This cluster is being used daily to query large files on Amazon S3. The data on Amazon S3 has been curated and does not require any additional transformations steps. The company is using a commercial business intelligence (BI) tool on Amazon EC2 to run queries against the Hadoop cluster and visualize the data.
The company wants to reduce or eliminate the overhead costs associated with managing the Hadoop cluster and the BI tool. The company would like to remove to a more cost-effective solution with minimal effort. The visualization is simple and requires performing some basic aggregation steps only.
Which option will meet the company's requirements?

Question68: A large company experienced a drastic increase in its monthly AWS spend. This is after Developers accidentally launched Amazon EC2 instances in unexpected regions. The company has established practices around least privileges for Developers and controls access to on-premises resources using Active Directory groups. The company now wants to control costs by restricting the level of access that Developers have to the AWS Management Console without impacting their productivity. The company would also like to allow Developers to launch Amazon EC2 in only one region, without limiting access to other services in any region.
How can this company achieve these new security requirements while minimizing the administrative burden on the Operations team?

Question69: A European online newspaper service hosts its public-facing WordPress site in collocated data center in London. The current WordPress infrastructure consists of a load balancer, two web servers, and one MySQL database server. A solutions architect is tasked with designing a solution with the following requirements:
* Improve the websites performance.
* Make the web tier scalable and stateless.
* Improve the database server performance for read-heavy loads.
* Reduce latency for users across Europe and the US
* Design the new architecture with a goal of 99.9% availability.
Which solution meets these requirements while optimizing operational efficiency?

Question70: A company has developed a mobile game. The backend for the game runs on several virtual machines located in an on-premises data center. The business logic is exposed using a REST API with multiple functions. Player session data is stored file storage. Backend services use different API keys for throttling and to distinguish between live and Test traffic.
The load on the game backend varies throughout the day During peak hours, the server capacity is not sufficient. There are also latency issues when fetching player sessions data. Management has asked a solutions architect to present a cloud architecture that can handle the games varying load and provide low-latency data access. The API model should not be changed.
Which solution meets these requirements?

Question71: A company is using AWS CloudFormation to deploy its infrastructure. The company is concerned that if a production CloudFormation stack is deleted, important data stored in Amazon RD5 databases or Amazon EBS volumes might also be deleted.
now can the company prevent users from accidentally deleting data m this way?

Question72: A company recently deployed a new application that runs on a group of Amazon EC2 Linux instances in a VPC. In a peered VPC, the company launched an EC2 Linux instance that serves as bastion host. The security group of the application instances allows access only on TCP port 22 from the private IP of the bastion host.
The security group of the bastion host allows access to TCP port 22 from 0.0.0.0/0 so that system administrators can use SSH to remotely log in to the application instances from several branch offices.
While looking through operating system logs on the bastion host, a cloud engineer notices thousands of failed SSH logins to the bastion host from locations around the world. The cloud engineer wants to change how remote access is granted to the application instances and wants to meet the following requirements:
* Eliminate brute-force SSH login attempts
* Retain a log of commands run during an SSH session
* Retain the ability to forward ports
Which solution meets these requirements for remote access to the application instances?

Question73: A company wants to migrate its website from an on-premises data center onto AWS. At the same time, it wants to migrate the website to a containerized microservice-based architecture to improve the availability and cost efficiency. The company's security policy states that privileges and network permissions must be configured according to best practice, using least privilege.
A Solutions Architect must create a containerized architecture that meets the security requirements and has deployed the application to an Amazon ECS cluster.
What steps are required after the deployment to meet the requirements? (Choose two.)

Question74: A company is using Amazon Aurora MySQL for a customer relationship management (CRM) application. The application requires frequent maintenance on the database and the Amazon EC2 instances on which the application runs For AW5 Management Console access, the system administrators authenticate against AWS Identity and Access Management (1AM) using an internal identity provider. For database access, each system administrator has a user name and password that have previously been configured within the database.
A recent security audit revealed that the database passwords are not frequently rotated The company wants to replace the passwords with temporary credentials using the company's existing AWS access controls Which set of options will meet the company's requirements?

Question75: A company has a web application that allows users to upload short videos. The videos are stored on Amazon EBS volumes and analyzed by custom recognition software for categorization.
The website contains static content that has variable traffic with peaks in certain months. The architecture consists of Amazon EC2 instances running in an Auto Scaling group for the web application and EC2 instances running in an Auto Scaling group to process an Amazon SQS-queue. The company wants to re-architect the application to reduce operational overhead using AWS managed services where possible and remove dependencies on third-party software.
Which solution meets these requirements?

Question76: What should the solutions architect do to meet this requirement7

Question77: A company plans to move regulated and security-sensitive businesses to AWS. The Security team is developing a framework to validate the adoption of AWS best practice and industry-recognized compliance standards. The AWS Management Console is the preferred method for teams to provision resources.
Which strategies should a Solutions Architect use to meet the business requirements and continuously assess, audit, and monitor the configurations of AWS resources? (Choose two.)

Question78: A company has an internal AWS Elastic Beanstalk worker environment inside a VPC that must access an external payment gateway API available on an HTTPS endpoint the public internet Because of security policies, the payment gateway's Application team can grant access to only one public IP address.
Which architecture will set up an Elastic Beanstalk environment to access the company's application without making multiple changes on the company's end?

Question79: A company is building a sensor data collection pipeline in which thousands of sensors write data to an Amazon Simple Queue Service (Amazon SQS) queue every minute The queue is processed by an AWS Lambda function that extracts a standard set of metrics from the sensor data The company wants to send the data to Amazon CloudWatch The solution should allow lor viewing individual and aggregate sensor metrics and interactively querying the sensor log data using CloudWatch Logs Insights What is the MOST cost-effective solution that meets these requirements?

Question80: A company has a 24 TB MySQL database in its on-premises data center that grows at the rate of 10 GB per day. The data center is connected to the company's AWS infrastructure with a 50 Mbps VPN connection.
The company is migrating the application and workload to AWS. The application code is already installed and tested on Amazon EC2. The company now needs to migrate the database and wants to go live on AWS within
3 weeks.
Which of the following approaches meets the schedule with LEAST downtime?

Question81: A startup company recently migrated a large ecommerce website to AWS The website has experienced a 70% increase in sales. Software engineers are using a private GitHub repository to manage code. The devops team is using Jenkins for builds and unit testing. The engineers need to receive notifications for bad builds and zero downtime during deployments. The engineers also need to ensure any changes to production are seamless for users and can be rolled back in the event of a major issue.
The software engineers have decided to use AWS CodePipeline to manage their build and deployment process. Which solution will meet these requirements?

Question82: A large real-estate brokerage is exploring the option of adding a cost-effective location based alert to their existing mobile application. The application backend infrastructure currently runs on AWS Users who opt in to this service will receive alerts on their mobile device regarding real-estate otters in proximity to their location. For the alerts to be relevant delivery time needs to be in the low minute count the existing mobile app has 5 million users across the US.
Which one of the following architectural suggestions would you make to the customer?

Question83: As a part of building large applications in the AWS Cloud, the Solutions Architect is required to implement the perimeter security protection. Applications running on AWS have the following endpoints:
* Application Load Balancer
* Amazon API Gateway regional endpoint
* Elastic IP address-based EC2 instances.
* Amazon S3 hosted websites.
* Classic Load Balancer
The Solutions Architect must design a solution to protect all of the listed web front ends and provide the following security capabilities:
* DDoS protection
* SQL injection protection
* IP address whitelist/blacklist
* HTTP flood protection
* Bad bot scraper protection
How should the Solutions Architect design the solution?

Question84: A software as a service (SaaS) company offers a cloud solution for document management to private law firms and the public sector. A Local Government client recently mandated that highly confidential documents cannot be stored outside the country. The company CIO asks a solutions architect to ensure the application can adapt to this new requirement The CIO also wants to have a proper backup plan for these documents, as backups are not currently performed What solution meets these requirements?

Question85: A large company has a business-critical application that runs in a single AWS Region. The application consists of multiple Amazon EC2 instances and an amazon RDS Multi-AZ DB instance. The EC2 instances run in an Amazon EC2 Scaling group across multiple Availability Zones.
A solution architect is implementing a disaster recovery (DR) plan for the application. The solution architect has created a pilot light application deployments in a new Region, which Is referred as the RD Region. The DR environment has an Auto Scaling group with a single EC2 instance and a read replica of the RDS DB instance.
The solution architect must automate a failover from the primary application environment to the pilot light environment in the DR Region.
Which solution meets the requirements with the MOST operational efficiency?

Question86: A company is planning to migrate an application from on-premises to AWS. The application currently uses an Oracle database and the company can tolerate a brief downtime of 1 hour when performing the switch to the new infrastructure. As part of the migration, the database engine will be changed to MySQL. A Solutions Architect needs to determine which AWS services can be used to perform the migration while minimizing the amount of work and time required.
Which of the following will meet the requirements?

Question87: A company has grown through numerous mergers and acquisitions. Due to increasing AWS usage costs, management wants each business unit to submit monthly cost reports with costs allocated to specific projects through the AWS Billing and Cost Management console. A resource tagging strategy involving BusinessUnit and Project tags is already defined.
Which combination of steps should each business unit take to meet these requirements? (Select Two)

Question88: A company receives clickstream data files to Amazon S3 every five minutes. A Python script runs as a cron job once a day on an Amazon EC2 instance to process each file and load it into a database hosted on Amazon RDS. The cron job takes 15 to 30 minutes to process 24 hours of dat a. The data consumers ask for the data be available as soon as possible.
Which solution would accomplish the desired outcome?

Question89: A company is creating an account strategy so that they can begin using AWS. The Security team will provide each team with the permissions they need to follow the principle or least privileged access. Teams would like to keep their resources isolated from other groups, and the Finance team would like each team's resource usage separated for billing purposes.
Which account creation process meets these requirements and allows for changes?

Question90: A company had a tight deadline to migrate its on-premises environment to AWS. It moved over Microsoft SQL Servers and Microsoft Windows Servers using the virtual machine import/export service and rebuild other applications native to the cloud. The team created both Amazon EC2 databases and used Amazon RDS. Each team in the company was responsible for migrating their applications, and they have created individual accounts for isolation of resources. The company did not have much time to consider costs, but now it would like suggestions on reducing its AWS spend.
Which steps should a Solutions Architect take to reduce costs?

Question91: A company currently runs a secure application on Amazon EC2 that takes files from on-premises locations through AWS Direct Connect, processes them, and uploads them to a single Amazon S3 bucket. The application uses HTTPS for encryption in transit to Amazon S3, and S3 server-side encryption to encrypt at rest.
Which of the following changes should the Solutions Architect recommend to make this solution more secure without impeding application's performance?

Question92: Your company hosts a social media website for storing and sharing documents. The web application allows user to upload large files while resuming and pausing the upload as needed. Currently, files are uploaded to your PHP front end backed by Elastic load Balancing and an autoscaling fleet of Amazon Elastic Compute Cloud (EC2) instances that scale upon average of bytes received (NetworkIng). After a file has been uploaded, it is copied to Amazon Simple Storage Service (S3). Amazon EC2 instances use an AWS Identity and Access Management (IAM) role that allows Amazon S3 uploads. Over the last six months, your user base and scale have increased significantly, forcing you to increase the Auto Scaling group's Max parameter a few times.
Your CFO is concerned about rising costs and has asked you to adjust the architecture where needed to better optimize costs.
Which architecture change could you introduce to reduce costs and still keep your web application secure and scalable?

Question93: A retail company is running an application that stores invoice files in Amazon S3 bucket and metadata about the files in an Amazon. The S3 bucket and DynamoDB table are in us-east-1. The company wants to protect itself from data corruption and loss of connectivity to either Region.
Which option meets these requirements?

Question94: A company has developed a mobile flame. The backend for the game runs on several virtual machines located in an on-premises data canter. The business logic is exposed using a REST API with multiple functions. Player session data is stored in central all storage Backend services use different API keys for throttling and to distinguish between live and test traffic.
The load on the game backend varies throughout the day. During peak hours the server capacity is not sufficient. There are also latency issues when fetching player session data Management has asked a solutions architect to present a cloud architecture that can handle the game's varying load and provide low-latency data access. The API model should not be changed.
Which solution meets these requirements?

Question95: A company has an application written using an in-house software framework. The framework installation takes 30 minutes and is performed with a user data script. Company Developers deploy changes to the application frequently. The framework installation is becoming a bottleneck in this process.
Which of the following would speed up this process?

Question96: You're running an application on-premises due to its dependency on non-x86 hardware and want to use AWS for data backup. Your backup application is only able to write to POSIX-compatible block-based storage. You have 140TB of data and would like to mount it as a single folder on your file server Users must be able to access portions of this data while the backups are taking place.
What backup solution would be most appropriate for this use case?

Question97: A company must deploy multiple independent instances of an application. The front-end application is internet accessible. However, corporate policy stipulates that the backends are to be isolated from each other and the internet, yet accessible from a centralized administration server. The application setup should be automated to minimize the opportunity for mistakes as new instances are deployed.
Which option meets the requirements and MINIMIZES costs?

Question98: Which of the following should be followed before connecting to Amazon Virtual Private Cloud (Amazon VPC) using AWS Direct Connect?

Question99: Your customer is willing to consolidate their log streams (access logs application logs security logs etc.) in one single system. Once consolidated, the customer wants to analyze these logs in real time based on heuristics.
From time to time, the customer needs to validate heuristics, which requires going back to data samples extracted from the last 12 hours?
What is the best approach to meet your customer's requirements?

Question100: A company's application is increasingly popular and experiencing latency because of high volume reads on the database server.
The service has the following properties:
* A highly available REST API hosted in one region using Application Load Balancer (ALB) with auto scaling.
* A MySQL database hosted on an Amazon EC2 instance in a single Availability Zone.
The company wants to reduce latency, increase in-region database read performance, and have multi-region disaster recovery capabilities that can perform a live recovery automatically without any data or performance loss (HA/DR).
Which deployment strategy will meet these requirements?

Question101: A company is funning workloads that are deployed across hundreds of AWS accounts. The company uses AWS Organizations with all features enabled. A solutions architect must implement a solution that will prevent the use of each member account's root user Which service control policy (SCP) should the solutions architect apply to the organization root to meet this requirement?

Question102: You are designing Internet connectivity for your VPC. The Web servers must be available on the Internet.
The application must have a highly available architecture.
Which alternatives should you consider? (Choose 2)

Question103: A company needs to cost-effectively persist small data records (up to 1 KiB) for up to 30 days. The data is read rarely. When reading the data, a 5-minute delay is acceptable.
Which of the following solutions achieve this goal? (Choose two.)

Question104: A company hosts a large on-premises MySQL database at its main office that supports an issue tracking system used by employees around the world. The company already uses AWS for some workloads and has created an Amazon Route 53 entry tor the database endpoint that points to the on-premises database.
Management is concerned about the database being a single point of failure and wants a solutions architect to migrate the database to AWS without any data loss or downtime.
Which set of actions should the solutions architect implement?

Question105: A finance company hosts a data lake in Amazon S3. The company receives financial data records over SFTP each night from several third parties. The company runs its own SFTP server on an Amazon EC2 instance in a public subnet of a VPC. After the files are uploaded, they are moved to the data lake by a cron job that runs on the same instance. The SFTP server is reachable on DNS sftp.example.com through the use of Amazon Route
53.
What should a solutions architect do to improve the reliability and scalability of the SFTP solution?

Question106: A company has a serverless application that is deployed on AWS The application uses an Amazon API Gateway REST API and AWS Lambda to receive and process requests from other applications within the company's on-premises network The application uses a preshared API key as the authentication method.
A recent security review showed that the application was accessible from anywhere on the internet The company's security policy states that requests can be accepted only from the company's on-premises network What should a solutions architect recommend to meet this requirement?

Question107: A company is configuring connectivity to a multi-account AWS environment to support application workloads fiat serve users in a single geographic region. The workloads depend on a highly available, on-premises legacy system deployed across two locations It is critical for the AWS workloads to manias connectivity to the legacy system, and a minimum of 5 Gbps of bandwidth is required All application workloads within AWS must have connectivity with one another.
Which solution will meet these requirements?

Question108: A financial services company logs personally identifiable information 10 its application logs stored in Amazon S3. Due to regulatory compliance requirements, the log files must be encrypted at rest. The security team has mandated that the company's on-premises hardware security modules (HSMs) be used to generate the CMK material.
Which steps should the solutions architect take to meet these requirements?

Question109: A company is building an image service on the web that will allow users to upload and search random photos.
At peak usage, up to 10.000 users worldwide will upload their images. The service will then overlay text on the uploaded images, which will then be published on the company website.
Which design should a solutions architect implement?

Question110: A company has developed a single-page web application in JavaScript. The source code is stored in a single Amazon S3 bucket in the us-east-1 Region. The company serves the web application to a global user base through Amazon CloudFront.
The company wants to experiment with two versions of the website without informing application users. Each version of the website will reside in its own S3 bucket. The company wants to determine which version is most successful in marketing a new product.
The solution must send application users that are based in Europe to the new website design. The solution must send application users that are based in the United States to the current website design. However, some exceptions exist. The company needs to be able to redirect specific users to the new website design, regardless of the users' location.
Which solution meets these requirements?

Question111: A company standardized its method of deploying applications to AWS using AWS CodePipeline and AWS Cloud Formation. The applications are in TypeScript and Python. The company has recently acquired another business that deploys applications to AWS using Python scripts.
Developers from the newly acquired company are hesitant to move their applications under Cloud Formation because it would require that they learn a new domain-specific language and eliminate their access to language features, such as looping.
How can the acquired applications quickly be brought up to deployment standards while addressing the developers' concerns?

Question112: A company is implementing a multi-account strategy; however, the Management team has expressed concerns that services like DNS may become overly complex. The company needs a solution that allows private DNS to be shared among virtual private clouds (VPCs) in different accounts. The company will have approximately 50 accounts in total.
What solution would create the LEAST complex DNS architecture and ensure that each VPC can resolve all AWS resources?

Question113: A company runs an e-commerce platform with front-end and e-commerce tiers. Both tiers run on LAMP stacks with the front-end instances running behind a load balancing appliance that has a virtual offering on AWS Current*/, the operations team uses SSH to log in to the instances to maintain patches and address other concerns. The platform has recently been the target of multiple attacks, including.
* A DDoS attack.
* An SOL injection attack
* Several successful dictionary attacks on SSH accounts on the web servers The company wants to improve the secunty of the e-commerce platform by migrating to AWS. The company's solutions architects have decided to use the following approach;
* Code review the existing application and fix any SQL injection issues.
* Migrate the web application to AWS and leverage the latest AWS Linux AMI to address initial secunty patching.
* Install AWS Systems Manager to manage patching and allow the system administrators to run commands on all instances, as needed.
What additional steps will address all of the identified attack types while providing high availability and minimizing risk?

Question114: A company is moving a business-critical application onto AWS. It is a traditional three-tier web application using an Oracle database. Data must be encrypted in transit and at rest. The database hosts 12 TB of data.
Network connectivity to the source Oracle database over the internal is allowed, and the company wants to reduce the operational costs by using AWS Managed Services where possible. All primary keys only; however, it contains many Binary Large Object (BLOB) fields. It was not possible to use the database's native replication tools because of licensing restrictions.
Which database migration solution will result in the LEAST amount of impact to the application's availability?

Question115: A large company recently experienced an unexpected increase in Amazon RDS and Amazon DynamoDB costs. The company needs to increase visibility into delays of AWS Billing and Cost Management. There are various accounts associated with AWS Organizations, including many development and production accounts. There is no consistent tagging strategy across the organization, but there are guidelines in place that require all infrastructure to be deployed using AWS CloudFormation with consistent tagging Management requires cost center numbers and project ID numbers for all existing and future DynamoOB tables and RDS instances.
Which strategy should the solutions architect provide to meet these requirements?

Question116: A company has an application that generates reports and stores them in an Amazon bucket Amazon S3 bucket. When a user accesses their report, the application generates a signed URL to allow the user to download the report. The company's security team has discovered that the files are public and that anyone can download them without authentication. The company has suspended the generation of new reports until the problem is resolved.
Which set of action will immediately remediate the security issue without impacting the application's normal workflow?

Question117: An IoT company has rolled out a fleet of sensors for monitoring temperatures in remote locations. Each device connect to AWS IoT Core and sends a message 30 seconds, updating an Amazon DynamoDB table. A System Administrator users AWS IoT to verify the devices are still sending messages to AWS IoT Core: the database is not updating.
What should a Solution Architect check to determine why the database is not being updated?

Question118: You create an Amazon Elastic File System (EFS) file system and mount targets for the file system in your Virtual Private Cloud (VPC). Identify the initial permissions you can grant to the group root of your file system.

Question119: A company is planning to host a web application on AWS and works to load balance the traffic across a group of Amazon EC2 instances. One of the security requirements is to enable end-to-end encryption in transit between the client and the web server.
Which solution will meet this requirement?

Question120: In Amazon RDS for PostgreSQL, you can provision up to 3TB storage and 30,000 IOPS per database instance.
For a workload with 50% writes and 50% reads running on a cr1.8xlarge instance, you can realize over 25,000 IOPS for PostgreSQL. However, by provisioning more than this limit, you may be able to achieve:

Question121: You want to use Amazon Redshift and you are planning to deploy dw1.8xlarge nodes. What is the minimum amount of nodes that you need to deploy with this kind of configuration?

Question122: A solutions architect must update an application environment within AWS Elastic Beanstalk using a With green deployment methodology. The solutions architect creates an environment that is identical to the existing application environment and deploys the application to the new environment.
What should be done next to complete the update?

Question123: A Solutions Architect is building a containerized NET Core application that will run in AWS Fargate The backend of the application requires Microsoft SQL Server with high availability All tiers of the application must be highly available The credentials used for the connection string to SQL Server should not be stored on disk within the .NET Core front-end containers.
Which strategies should the Solutions Architect use to meet these requirements'?

Question124: A large company is running a popular web application. The application runs on several Amazon EC2 Linux Instances in an Auto Scaling group in a private subnet. An Application Load Balancer is targeting the Instances In the Auto Scaling group in the private subnet. AWS Systems Manager Session Manager Is configured, and AWS Systems Manager Agent is running on all the EC2 instances.
The company recently released a new version of the application Some EC2 instances are now being marked as unhealthy and are being terminated As a result, the application is running at reduced capacity A solutions architect tries to determine the root cause by analyzing Amazon CloudWatch logs that are collected from the application, but the logs are inconclusive How should the solutions architect gain access to an EC2 instance to troubleshoot the issue1?

Question125: A Solutions Architect has been asked to look at a company's Amazon Redshift cluster, which has quickly become an integral part of its technology and supports key business process. The Solutions Architect is to increase the reliability and availability of the cluster and provide options to ensure that if an issue arises, the cluster can either operate or be restored within four hours.
Which of the following solution options BEST addresses the business need in the most cost-effective manner?

Question126: A web company is looking to implement an intrusion detection and prevention system into their deployed VPC. This platform should have the ability to scale to thousands of instances running inside of the VPC.
How should they architect their solution to achieve these goals?

Question127: A company needs to move its on-premises resources to AWS. The current environment consists of 100 virtual machines (VMs) with a total of 40 TB of storage. Most of the VMs can be taken offline because they support functions during business hours only; however, some are mission critical, so downtime must be minimized.
The administrator of the on-premises network provisioned 10 Mbps of internet bandwidth for the migration. The on-premises network throughput has reached capacity and would be costly to increase. A solutions architect must design a migration solution that can be performed within the next 3 months.
Which method would fulfill these requirements?

Question128: A Solutions Architect is redesigning an image-viewing and messaging platform to be delivered as SaaS.
Currently, there is a farm of virtual desktop infrastructure (VDI) that runs a desktop image-viewing application and a desktop messaging application. Both applications use a shared database to manage user accounts and sharing. Users log in from a web portal that launches the applications and streams the view of the application on the user's machine. The Development Operations team wants to move away from using VDI and wants to rewrite the application.
What is the MOST cost-effective architecture that offers both security and ease of management?

Question129: When I/O performance is more important than fault tolerance, which of the following configurations should be used?

Question130: A company is using an Amazon EMR cluster to run its big data jobs The cluster's jobs are invoked by AWS Step Functions Express Workflows that consume various Amazon Simple Queue Service (Amazon SQS) queues The workload of this solution is variable and unpredictable Amazon CloudWatch metrics show that the cluster's peak utilization is only 25% at times and that the cluster sits idle the rest of the time A solutions architect must optimize the costs of the cluster without negatively impacting the time it takes to run the various jobs What is the MOST cost-effective solution that meets these requirements?

Question131: A large company with hundreds of AWS accounts has a newly established centralized internal process for purchasing new or modifying existing Reserved Instances. This process requires all business units that want to purchase or modify Reserved Instances to submit requests to a dedicated team for procurement or execution.
Previously, business units would directly purchase or modify Reserved Instances in their own respective AWS accounts autonomously.
Which combination of steps should be taken to proactively enforce the new process in the MOST secure way possible? (Select TWO.)

Question132: A security engineer determined that an existing application retrieves credentials to an Amazon RDS for MySQL database from an er implement the following application design changes to improve security:
* The database must use strong, randomly generated passwords stored in a secure AWS managed service.
* The application resources must be deployed through AWS CloudFormation.
* The application must rotate credentials for the database every 90 days.
A solutions architect will generate a CloudFormation template to deploy the application.
Which resources specified in the CloudFormation template will meet the security engineer's requirements e LEAST amount of operational overhead?

Question133: A company has an application that generates reports and stores them in an Amazon bucket Amazon S3 bucket. When a user accesses their report, the application generates a signed URL to allow the user to download the report. The company's security team has discovered that the files are public and that anyone can download them without authentication. The company has suspended the generation of new reports until the problem is resolved.
Which set of action will immediately remediate the security issue without impacting the application's normal workflow?

Question134: A company is running multiple applications on Amazon EC2. Each application is deployed and managed by multiple business units. All applications are deployed on a single AWS account but on different virtual private clouds (VPCs). The company uses a separate VPC in the same account for test and development purposes.
Production applications suffered multiple outages when users accidentally terminated and modified resources that belonged to another business unit. A Solutions Architect has been asked to improve the availability of the company applications while allowing the Developers access to the resources they need.
Which option meets the requirements with the LEAST disruption?

Question135: A group of research institutions and hospitals are in a partnership to study 2 PBs of genomic data. The institute that owns the data stores it in an Amazon S3 bucket and updates it regularly. The institute would like to give all of the organizations in the partnership read access to the data. All members of the partnership are extremely cost-conscious, and the institute that owns the account with the S3 bucket is concerned about covering the costs for requests and data transfers from Amazon S3.
Which solution allows for secure datasharing without causing the institute that owns the bucket to assume all the costs for S3 requests and data transfers?

Question136: An enterprise company's data science team wants to provide a safe, cost-effective way to provide easy access to Amazon SageMaker. The data scientists have limited AWS knowledge and need to be able to launch a Jupyter notebook instance. The notebook instance needs to have a preconfigured AWS KMS key to encrypt data at rest on the machine learning storage volume without exposing the complex setup requirements.
Which approach will allow the company to set up a self-service mechanism for the data scientists to launch Jupyter notebooks in its AWS accounts with the LEAST amount of operational overhead?

Question137: A company had a tight deadline to migrate its on-premises environment to AWS. It moved over Microsoft SQL Servers and Microsoft Windows Servers using the virtual machine import/export service and rebuild other applications native to the cloud. The team created both Amazon EC2 databases and used Amazon RDS. Each team in the company was responsible for migrating their applications, and they have created individual accounts for isolation of resources. The company did not have much time to consider costs, but now it would like suggestions on reducing its AWS spend.
Which steps should a Solutions Architect take to reduce costs?

Question138: A startup company recently migrated a large ecommerce website to AWS. The website has experienced a 70% increase in sales. Software engineers are using a private GitHub repository to manage code. The DevOps learn is using Jenkins for builds and unit testing. The engineers need to receive notifications for bad builds and zero downtime during deployments. The engineers also need to ensure any changes to production are seamless for users and can be rolled back in the event of a major issue.
The software engineers have decided to use AWS CodePipeline to manage their build and deployment process.
Which solution will meet these requirements?

Question139: A company is creating a REST API to share information with six o( its partners based in the United States. The company has created an Amazon API Gateway Regional endpoint. Each of the six partners will access the API once per day to post daily sales figures.
After initial deployment, the company observes 1.000 requests per second originating from 500 different IP addresses around the world. The company believes this traffic is originating from a botnet and wants to secure its API while minimizing cost.
Which approach should the company take to secure its API?

Question140: A company currently runs a secure application on Amazon EC2 that takes files from on-premises locations through AWS Direct Connect, processes them, and uploads them to a single Amazon S3 bucket. The application uses HTTPS for encryption in transit to Amazon S3, and S3 server-side encryption to encrypt at rest.
Which of the following changes should the Solutions Architect recommend to make this solution more secure without impeding application's performance?

Question141: A fleet of Amazon ECS instances is used to poll an Amazon SQS queue and update items in an Amazon DynamoDB database. Items in the table are not being updated, and the SQS queue is filling up. Amazon CloudWatch Logs are showing consistent 400 errors when attempting to update the table. The provisioned write capacity units are appropriately configured, and no throttling is occurring.
What is the LIKELY cause of the failure?

Question142: A company operates quick-service restaurants. The restaurants follow a predictable model with high sales traffic for 4 hours daily. Sales traffic is lower outside of those peak hours.
The point of sale and management platform is deployed in the AWS Cloud and has a backend that is based on Amazon DynamoDB.
The database table uses provisioned throughput mode with 100 000 RCUs and 80,000 WCUs to match known peak resource consumption.
The company wants to reduce Its DynamoDB cost and minimize the operational overhead for the IT staff Which solution meets these requirements MOST cost-effectively?

Question143: A company is planning a large event where a promotional offer will be introduced The company's website is hosted on AWS and backed by an Amazon RDS for PostgreSQL DB instance The website explains the promotion and includes a sign-up page that collects user information and preferences Management expects large and unpredictable volumes of traffic periodically which will create many database writes A solutions architect needs to build a solution that does not change the underlying data model and ensures that submissions are not dropped before they are committed to the database Which solutions meets these requirements'?

Question144: A company runs a software-as-a-service (SaaS ) application on AWS. The application comets of AWS Lambda function and an Amazon RDS for MySQL Multi-AZ database During market events the application has a much higher workload than normal Users notice slow response times during the peak periods because of many database connections. The company needs to improve the scalable performance and availability of the database.
Which solution meets these requirements?

Question145: A company is using AWS CloudFormation to deploy its infrastructure. The company is concerned that, if a production CloudFormation stack is deleted, important data stored in Amazon RDS databases or Amazon EBS volumes might also be deleted.
How can the company prevent users from accidentally deleting data in this way?

Question146: A company has multiple business units Each business unit has its own AWS account and runs a single website within that account. The company also has a single logging account. Logs from each business unit website are aggregated into a single Amazon S3 bucket in the logging account The S3 bucket policy provides each business unit with access to write data into the bucket and requires data to be encrypted.
The company needs to encrypt logs uploaded into the bucket us-ng a 5 ngle AWS Key Management Service {AWS KMS) CMK The CMK that protects the data must be rotated once every 365 days Which strategy is the MOST operationally efficient for the company to use to meet these requirements'?

Question147: To abide by industry regulations, a Solution must design a solution that will store a company's circuit data in multiple public AWS Region, including in the United State, where the company's is located. The Solution Architect required to provide access to the data stored in AWS to the company's global WAN network. The Security team mandates that no traffic accessing this data should traverse the public internet.
How should the Solutions Architect design a highly available solution that meets the requirements and is cost effective?

Question148: A company has an application that generates a weather forecast that is updated every 15 minutes with an output resolution of 1 billion unique positions, each approximately 20 bytes in size (20 Gigabytes per forecast). Every hour, the forecast data is globally accessed approximately 5 million times (1,400 requests per second), and up to 10 times more during weather events. The forecast data is overwritten every update. Users of the current weather forecast application expect responses to queries to be returned in less than two seconds for each request.
Which design meets the required request rate and response time?

Question149: A company has a legacy application running on servers on premises. To increase the application's reliability, the company wants to gain actionable insights using application logs. A Solutions Architect has been given following requirements for the solution:
* Aggregate logs using AWS.
* Automate log analysis for errors.
* Notify the Operations team when errors go beyond a specified threshold.
What solution meets the requirements?

Question150: A company has developed a new release of a popular video game and wants to make it available for public download. The new release package is approximately 5 GB in size. The company provides downloads for existing releases from a Linux-based, publicly facing FTP site hosted in an on-premises data center. The company expects the new release will be downloaded by users worldwide The company wants a solution that provides improved download performance and low transfer costs, regardless of a user's location.
Which solutions will meet these requirements?

Question151: A company has a media metadata extraction pipeline running on AWS. Notifications containing a reference to a file m Amazon S3 are sent to an Amazon Simple Notification Service (Amazon SNS) topic The pipeline consists of a number of AWS Lambda functions that are subscribed to the SNS topic The Lambda functions extract the S3 file and write metadata to an Amazon RDS PostgreSQL DB instance Users report that updates to the metadata are sometimes slow to appear 01 are lost During these times, the CPU utilization on the database is high and the number of failed Lambda invocations increases Which combination of actions should a solutions architect take to help resolve this issue? (Select TWO)

Question152: A company runs an application that gives users the ability to search for videos and related information by using keywords that are curated from content providers. The application data is stored in an on-premises Oracle database that is 800 GB in size.
The company wants to migrate the data to an Amazon Aurora MySQL DB instance. A solutions architect plans to use the AWS Schema Conversion Tool and AWS Database Migration Service (AWS DMS) for the migration. During the migration, the existing database must serve ongoing requests. The migration must be completed with minimum downtime Which solution will meet these requirements?

Question153: An enterprise company wants to allow its developers to purchase third-party software through AWS Marketplace. The company uses an AWS Organizations account structure with full features enabled, and has a shared services
46 account in each organizational unit (OU) that will be used by procurement managers. The procurement team's policy indicates that developers should be able to obtain third-party software from an approved list only and use Private Marketplace in AWS Marketplace to achieve this requirement. The procurement team wants administration of Private Market procurement managers. Other 1AM users, groups, roles, and account administrators in the company should be denied Private Marketplace administrative access.
What is the MOST efficient way to design an architecture to meet these requirements?

Question154: A company has several development teams collaborating on multiple projects Developers frequently move between projects, and each project requires access to a different set of AWS resources. There are current projects for web mobile, and database development However, the set of projects may change over time Developers should have full control over the resources for the project to which they are assigned, and read-only access to resources for all other projects.
When developers are assigned to a different project or new AWS resources are added the company wants to minimize policy maintenance What type of control policy should a solutions architect recommend?

Question155: A media storage application uploads user photos to Amazon S3 for processing. End users are reporting that some uploaded photos are not being processed properly. The Application Developers trace the logs and find that AWS Lambda is experiencing execution issues when thousands of users are on the system simultaneously.
Issues are caused by:

Limits around concurrent executions.

The performance of Amazon DynamoDB when saving data.
Which actions can be taken to increase the performance and reliability of the application? (Choose two.)

Question156: A company has multiple AWS accounts as part of an organization created with AWS Organizations. Each account has a VPC in the us-east-2 Region and is used for either production or development workloads.
Amazon EC2 instances across production accounts need to communicate with each other, and EC2 instances across development accounts need to communicate with each other, but production and development instances should not be able to communicate with each other.
To facilitate connectivity, the company created a common network account. The company used AWS Transit Gateway to create a transit gateway in the us-east-2 Region in the network account and shared the transit gateway with the entire organization by using AWS Resource Access Manager. Network administrators then attached VPCs in each account to the transit gateway, after which the EC2 instances were able to communicate across accounts. However, production and development accounts were also able to communicate with one another.
Which set of steps should a solutions architect take to ensure production traffic and development traffic are completely isolated?

Question157: You create an Amazon Elastic File System (EFS) file system and mount targets for the file system in your Virtual Private Cloud (VPC). Identify the initial permissions you can grant to the group root of your file system.

Question158: A company has many services running in its on-premises data center The data center is connected to AWS using AWS Direct Connect (DX) and an iPSec VPN. The service data is sensitive and connectivity cannot traverse the internet The company wants to expand into a new market segment and begin offering its services to other companies that are using AWS Which solution will meet these requirements?

Question159: A company is refactoring an existing web service that provides read and write access to structured data. The service must respond to short but significant spikes in the system load The service must be fault tolerant across multiple AWS Regions.
Which actions should be taken to meet these requirements?

Question160: A large company has many business units. Each business unit has multiple AWS accounts for different purposes. The CIO of the company sees that each business unit has data that would be useful to share with other parts of the company. In total, there are about 10 PB of data that needs to be shared with users in 1,000 AWS accounts. The data is proprietary, so some of it should only be available to users with specific job types.
Some of the data is used for throughput of intensive workloads, such as simulations. The number of accounts changes frequently because of new initiatives, acquisitions, and divestitures.
A Solutions Architect has been asked to design a system that will allow for sharing data for use in AWS with all of the employees in the company.
Which approach will allow for secure data sharing in scalable way?

Question161: A company is hosting a three-tier web application in an on-premises environment Due to a recent surge in traffic that resulted in downtime and a significant financial impact, company management has ordered that the application be moved to AWS. The application is written in .NET and has a dependency on a MySQL database. A solutions architect must design a scalable and highly available solution to meet the demand of
200,000 daily users.
Which steps should the solutions architect take to design an appropriate solution?

Question162: A company has grown through numerous mergers and acquisitions. Due to increasing AWS usage costs, management wants each business unit to submit monthly cost reports with costs allocated to specific projects through the AWS Billing and Cost Management console. A resource tagging strategy involving BusinessUnit and Project tags is already defined.
Which combination of steps should each business unit take to meet these requirements? (Select Two)

Question163: A company is migrating its three-tier web application from on-premises to the AWS Cloud. The company has the following requirements for the migration process
* Ingest machine images from the on-premises environment
* Synchronize changes from the on-premises environment to the AWS environment until the production cutover
* Minimize downtime when executing the production cutover
* Migrate the virtual machines' root volumes and data volumes
Which solution will satisfy these requirements with minimal operational overhead?

Question164: An AWS customer has a web application that runs on premises. The web application (etches data from a third party API that is behind a firewall. The third party accepts only one public CIDR block in each client's allow list The customer wants to migrate their web application to the AWS Cloud The application will be hosted on a set of Amazon EC2 instances behind an Application Load Balancer (ALB) in a VPC. The ALB is located in public subnets The EC2 instances are located m private subnets. NAT gateways provide internet access to the private subnets.
How should a solutions architect ensure that the web application can continue to call the third-party API after the migration?

Question165: A company collects a steady stream of 10 million data records from 100,000 sources each day. These records are written to an Amazon RDS MySQL DB. A query must produce the daily average of a data source over the past 30 days. There are twice as many reads as writes. Queries to the collected data are for one source ID at a time.
How can the Solutions Architect improve the reliability and cost effectiveness of this solution?

Question166: A company's main intranet page has experienced degraded response times as its user base has increased although there are no reports of users seeing error pages. The application uses Amazon DynamoDB in read-only mode.
Amazon DynamoDB latency metrics for successful requests have been in a steady state even during times when users have reported degradation The Development team has correlated the issue to ProvisionedThrough put Exceeded exceptions in the application logs when doing Scan and read operations The team also identified an access pattern of steady spikes of read activity on a distributed set of individual data items The Chief Technology Officer wants to improve the user experience Which solutions will meet these requirements with the LEAST amount of changes to the application? (Select TWO )

Question167: A company is running a .NET three-tier web application on AWS. The team currently uses XL storage optimized instances to store serve the website's image and video files on local instance storage. The company has encountered issues with data loss from replication and instance failures. The Solutions Architect has been asked to redesign this application to improve its reliability while keeping costs low.
Which solution will meet these requirements?

Question168: A company wants to control its cost of Amazon Athena usage The company has allocated a specific monthly budget for Athena usage A solutions architect must design a solution that will prevent the company from exceeding the budgeted amount Which solution will moot these requirements?

Question169: A company's CI SO has asked a solutions architect to re-engineer the company's current CI/CD practices to make sure patch deployments to its application can happen as quickly as possible with minimal downtime if vulnerabilities are discovered The company must also be able to quickly roll back a change in case of errors.
The web application is deployed in a fleet of Amazon EC2 instances behind an Application Load Balancer The company is currently using GitHub to host the application source code. and has configured an AWS CodeBuild project to build the application The company also intends to use AWS CodePipeline to trigger builds from GitHub commits using the existing CodeBuild project.
What CI/CD configuration meets all of the requirements?

Question170: A company has a legacy application running on servers on premises. To increase the application's reliability, the company wants to gain actionable insights using application logs. A Solutions Architect has been given following requirements for the solution:
* Aggregate logs using AWS.
* Automate log analysis for errors.
* Notify the Operations team when errors go beyond a specified threshold.
What solution meets the requirements?

Question171: A company operating a website on AWS requires high levels of scalability, availability and performance. The company is running a Ruby on Rails application on Amazon EC2. It has a data tier on MySQL 5.6 on Amazon EC2 using 16 TB of Amazon EBS storage. Amazon CloudFront is used to cache application content. The Operations team is reporting continuous and unexpected growth of EBS volumes assigned to the MySQL database. The Solutions Architect has been asked to design a highly scalable, highly available, and high-performing solution.
Which solution is the MOST cost-effective at scale?

Question172: A company has a serverless multi-tenant content management system on AWS. The architecture contains a web-based front end that interacts with an Amazon API Gateway API that uses a custom AWS Lambda authorizes The authorizer authenticates a user to its tenant ID and encodes the information in a JSON Web Token (JWT) token. After authentication, each API call through API Gateway targets a Lambda function that interacts with a single Amazon DynamoOB table to fulfill requests.
To comply with security standards, the company needs a stronger isolation between tenants. The company will have hundreds of customers within the first year.
Which solution will meet these requirements with the LEAST operational?

Question173: A company is manually deploying its application to production and wants to move to a more mature deployment pattern. The company has asked a solutions architect to design a solution that leverages its current Chef tools and knowledge The application must be deployed to a staging environment for testing and verification before being deployed to production Any new deployment must be rolled back in 5 minutes if errors are discovered after a deployment Which AWS service and deployment pattern should the solutions architect use to meet these requirements?

Question174: Your application provides data transformation services. Files containing data to be transformed are first uploaded to Amazon S3 and then transformed by a fleet of spot EC2 instances. Files submitted by your premium customers must be transformed with the highest priority.
How should you implement such a system?

Question175: You have recently joined a startup company building sensors to measure street noise and air quality in urban areas. The company has been running a pilot deployment of around 100 sensors for 3 months each sensor uploads 1KB of sensor data every minute to a backend hosted on AWS.
During the pilot, you measured a peak or 10 IOPS on the database, and you stored an =average of 3GB of sensor data per month in the database.
The current deployment consists of a load-balanced auto scaled Ingestion layer using EC2 instances and a PostgreSQL RDS database with 500GB standard storage.
The pilot is considered a success and your CEO has managed to get the attention or some potential investors.
The business plan requires a deployment of at least 1O0K sensors which needs to be supported by the backend. You also need to store sensor data for at least two years to be able to compare year over year Improvements.
To secure funding, you have to make sure that the platform meets these requirements and leaves room for further scaling.
Which setup win meet the requirements?

Question176: AWS CloudFormation ______ are special actions you use in your template to assign values to properties that are not available until runtime.

Question177: A company is running multiple workloads in the AWS Cloud. The company has separate units for software development. The company uses AWS Organizations and federation with SAML to give permissions to developers lo manage resources m their AWS accounts. The development units each deploy their production workloads into a common production account.
Recently, an incident occurred in the production account in which members of a development unit terminated an EC2 instance that belonged to a different development unit. A solutions architect must create u solution that prevents a similar incident from happening in the future. The solution also must allow developers the possibility lo manage the instances used for their workloads.
Which strategy will meet these requirements?

Question178: A development team s Deploying new APIs as serverless applications within a company. The team is currently using the AWS Maragement Console to provision Amazon API Gateway. AWS Lambda, and Amazon DynamoDB resources A solutions architect has been tasked with automating the future deployments of these serveriess APIs How can this be accomplished?

Question179: A user has created a VPC with CIDR 20.0.0.0/16 using the wizard. The user has created a public subnet CIDR (20.0.0.0/24) and VPN only subnets CIDR (20.0.1.0/24) along with the VPN gateway (vgw-123456) to connect to the user's data center. The user's data center has CIDR 172.28.0.0/12. The user has also setup a NAT instance (i-123456) to allow traffic to the internet from the VPN subnet.
Which of the below mentioned options is not a valid entry for the main route table in this scenario?

Question180: A company CFO recently analyzed the company's AWS monthly bill and identified an opportunity to reduce the cost for AWS Elastic Beanstalk environments in use. The CFO has asked a Solutions Architect to design a highly available solution that will spin up an Elastic Beanstalk environment in the morning and terminate it at the end of the day.
The solution should be designed with minimal operational overhead and to minimize costs. It should also be able to handle the increased use of Elastic Beanstalk environments among different teams, and must provide a one-stop scheduler solution for all teams to keep the operational costs low.
What design will meet these requirements?

Question181: A company operates a group of imaging satellites. The satellites stream data to one of the company's ground stations where processing creates about 5 GB of images per minute. This data is added to network-attached storage, where 2 PB of data are already stored.
The company runs a website that allows its customers to access and purchase the images over the Internet.
This website is also running in the ground station. Usage analysis shows that customers are most likely to access images that have been captured in the last 24 hours.
The company would like to migrate the image storage and distribution system to AWS to reduce costs and increase the number of customers that can be served.
Which AWS architecture and migration strategy will meet these requirements?

Question182: A company needs to move its on-premises resources to AWS. The current environment consists of 100 virtual machines (VMs) with a total of 40 TB of storage. Most of the VMs can be taken offline because they support functions during business hours only; however, some are mission critical, so downtime must be minimized.
The administrator of the on-premises network provisioned 10 Mbps of internet bandwidth for the migration.
The on-premises network throughput has reached capacity and would be costly to increase. A solutions architect must design a migration solution that can be performed within the next 3 months.
Which method would fulfill these requirements?

Question183: Your company plans to host a large donation website on Amazon Web Services (AWS). You anticipate a large and undetermined amount of traffic that will create many database writes. To be certain that you do not drop any writes to a database hosted on AWS.
Which service should you use?

Question184: An organization is undergoing a security audit. The auditor wants to view the AWS VPC configurations as the organization has hosted all the applications in the AWS VPC. The auditor is from a remote place and wants to have access to AWS to view all the VPC records.
How can the organization meet the expectations of the auditor without compromising on the security of their AWS infrastructure?

Question185: A company's data center is connected to the AWS Cloud over a minimally used 10-Gbps AWS Direct Connect connection with a private virtual interface to its virtual private cloud (VPC). The company internet connection is 200 Mbps, and the company has a 150-TB dataset that is created each Friday. The data must be transferred and available in Amazon S3 on Monday morning.
Which is the LEAST expensive way to meet the requirements while allowing for data transfer growth?

Question186: A company is migrating its on-premises systems to AWS. The user environment consists of the following systems:
* Windows and Linux virtual machines running on VMware.
* Physical servers running Red Hat Enterprise Linux.
The company wants to be able to perform the following steps before migrating to AWS:
* Identify dependencies between on-premises systems.
* Group systems together into applications to build migration plans.
* Review performance data using Amazon Athena to ensure that Amazon EC2 instances are right-sized.
How can these requirements be met?

Question187: A company has a legacy application running on servers on premises. To increase the application's reliability, the company wants to gain actionable insights using application logs. A Solutions Architect has been given following requirements for the solution:
* Aggregate logs using AWS.
* Automate log analysis for errors.
* Notify the Operations team when errors go beyond a specified threshold.
What solution meets the requirements?

Question188: A company is currently using AWS CodeCommit for its source control and AWS CodePipeline for continuous integration. The pipeline has a build stage for building the artifacts which is then staged in an Amazon S3 bucket.
The company has identified various improvement opportunities in the existing process, and a Solutions Architect has been given the following requirement:
* Create a new pipeline to support feature development
* Support feature development without impacting production applications
* Incorporate continuous testing with unit tests
* Isolate development and production artifacts
* Support the capability to merge tested code into production code.
How should the Solutions Architect achieve these requirements?

Question189: A company has more than 100 AWS accounts, with one VPC per account, that need outbound HTTPS connectivity to the internet. The current design contains one NAT gateway per Availability Zone (AZ) in each VPC. To reduce costs and obtain information about outbound traffic, management has asked for a new architecture for internet access.
Which solution will meet the current needs, and continue to grow as new accounts are provisioned, while reducing costs?

Question190:
An organization has recently grown through acquisitions. Two of the purchased companies use the same IP CIDR range. There is a new short-term requirement to allow AnyCompany A (VPC-A) to communicate with a server that has the IP address 10.0.0.77 in AnyCompany B (VPC-B). AnyCompany A must also communicate with all resources in AnyCompany C (VPC-C). The Network team has created the VPC peer links, but it is having issues with communications between VPC-A and VPC-B. After an investigation, the team believes that the routing tables in the VPCs are incorrect.
What configuration will allow AnyCompany A to communicate with AnyCompany C in addition to the database in AnyCompany B?

Question191: Your application is using an ELB in front of an Auto Scaling group of web/application servers deployed across two AZs and a Multi-AZ RDS Instance for data persistence.
The database CPU is often above 80% usage and 90% of I/O operations on the database are reads. To improve performance, you recently added a single-node Memcached ElastiCache Cluster to cache frequent DB query results. In the next weeks the overall workload is expected to grow by 30%.
Do you need to change anything in the architecture to maintain the high availability or the application with the anticipated additional load? Why?

Question192: An auction website enables users to bid on collectible items. The auction rules require that each bid is processed only once and in the order it was received. The current implementation is based on a fleet of Amazon EC2 web servers that write bid records into Amazon Kinesis Data Streams. A single t2.large instance has a cron job that runs the bid processor, which reads incoming bids from Kinesis Data Streams and processes each bid. The auction site is growing in popularity, but users are complaining that some bids are not registering.
Troubleshooting indicates that the bid processor is too slow during peak demand hours, sometimes crashes while processing, and occasionally loses track of which records is being processed.
What changes should make the bid processing more reliable?

Question193: A user has configured an EC2 instance in the US-East-1a zone. The user has enabled detailed monitoring of the instance. The user is trying to get the data from CloudWatch using a CLI.
Which of the below mentioned CloudWatch endpoint URLs should the user use?

Question194: A company wants to move a web application to AWS. The application stores session information locally on each web server, which will make auto scaling difficult. As part of the migration, the application will be rewritten to decouple the session data from the web servers. The company requires low latency, scalability, and availability.
Which service will meet the requirements for storing the session information in the MOST cost-effective way?

Question195: An organization is setting up a backup and restore system in AWS of their in premise system. The organization needs High Availability(HA) and Disaster Recovery(DR) but is okay to have a longer recovery time to save costs.
Which of the below mentioned setup options helps achieve the objective of cost saving as well as DR in the most effective way?

Question196: A company that is new to AWS reports it has exhausted its service limits across several accounts that are on the Basic Support plan. The company would like to prevent this from happening in the future.
What is the MOST efficient way of monitoring and managing all service limits in the company's accounts?

Question197: A company operates pipelines across North America and South Americ
a. The company assesses pipeline inspection gauges with imagery and ultrasonic sensor data to monitor the condition of its pipelines. The pipelines are in areas with intermittent or unavailable internet connectivity. The imager data at each site requires terabytes of storage each month. The company wants a solution to collect the data at each site in monthly intervals and to store the data with high durability. The imagery captured must be preprocessed and uploaded to a central location for persistent Storage.
Which actions should a solutions architect take to meet these requirements?

Question198: A company is moving a business-critical application onto AWS. It is a traditional three-tier web application using an Oracle database. Data must be encrypted in transit and at rest. The database hosts 12 TB of data.
Network connectivity to the source Oracle database over the internal is allowed, and the company wants to reduce the operational costs by using AWS Managed Services where possible. All resources within the web and application tiers have been migrated. The database has a few tables and a simple schema using primary keys only; however, it contains many Binary Large Object (BLOB) fields. It was not possible to use the database's native replication tools because of licensing restrictions.
Which database migration solution will result in the LEAST amount of impact to the application's availability?

Question199: A web application is hosted in a dedicated VPC that is connected to a company's on-premises data center over a Site-to-Site VPN connection. The application is accessible from the company network only. This is a temporary non-production application that is used during business hours. The workload is generally low with occasional surges.
The application has an Amazon Aurora MySQL provisioned database cluster on the backend. The VPC has an internet gateway and a NAT gateways attached. The web servers are in private subnets in an Auto Scaling group behind an Elastic Load Balancer. The web servers also upload data to an Amazon S3 bucket through the internet.
A solutions architect needs to reduce operational costs and simplify the architecture.
Which strategy should the solutions architect use?

Question200: A company has implemented an ordering system using an event-dnven architecture. Dunng initial testing, the system stopped processing orders Further tog analysis revealed that one order message in an Amazon Simple Queue Service (Amazon SOS) standard queue was causing an error on the backend and blocking all subsequent order messages The visibility timeout of the queue is set to 30 seconds, and the backend processing timeout is set to 10 seconds. A solutions architect needs to analyze faulty order messages and ensure that the system continues to process subsequent messages Which step should the solutions architect take to meet these requirements?

Question201: A company used Amazon EC2 instances to deploy a web fleet to host a blog site. The EC2 instances are behind an Application Load Balancer (ALB) and are configured in an Auto Scaling group. The web application stores all blog content on an Amazon EFS volume.
The company recently added a feature for bloggers to add video to their posts, attracting 10 times the previous user traffic. At peak times of day, users report buffering and timeout issues while attempting to reach the site or watch videos.
Which is the MOST cost-efficient and scalable deployment that will resolve the issues for users?

Question202: Which of the following statements is NOT correct when working with your AWS Direct Connect connection after it is set up completely?

Question203: A company is in the process of implementing AWS Organizations to constrain its developers to use only Amazon. EC2, and Amazon S3, and Amazon DynamoDB. The developers account resides in a dedicated organizational unit (OU). The Solution Architect has implemented the following SCP on the Developers account:

When this policy is deployed, IAM users in the Developers account are still to use AWS services that are not listed in the policy.
What should the Solution Architect do to eliminate the developers' ability to use services outside the scope of this policy?

Question204: A company is running a two-tier web-based application in an on-premises data center, The application user consists of a single server running a stateful application. The application connect to a PostSQL data use running on a separate server. the application's user base is expected to grow significantly, so the company is migrating the application and database to AWS. The solution will use Amazon Aurora PostgreSQL. Amazon EC2 Auto Scaling and Elastic Load Balancing.
Which solution will provide a consistent user experience that will allow the application and database tiers to scalar?

Question205: A company is storing data on premises on a Windows file server. The company produces 5 GB of new data daily.
The company migrated part of its Windows-based workload to AWS and needs the data to be available on a file system in the cloud. The company already has established an AWS Direct Connect connection between the on-premises network and AWS.
Which data migration strategy should the company use?

Question206: A finance company hosts a data lake in Amazon S3. The company receives financial data records over SFTP each night from several third parties. The company runs its own SFTP server on an Amazon EC2 instance in a public subnet of a VPC. After the files ate uploaded, they are moved to the data lake by a cron job that runs on the same instance. The SFTP server is reachable on DNS sftp.examWe.com through the use of Amazon Route
53.
What should a solutions architect do to improve the reliability and scalability of the SFTP solution?

Question207: A company is running multiple workloads in the AWS Cloud The company has separate units for software development The company uses AWS Organizations and federation with SAML to give permissions to developers to manage resources in their AWS accounts The development units each deploy their production workloads into a common production account Recently, an incident occurred in the production account in which members of a development unit terminated an EC2 instance that belonged to a different development unit. A solutions architect must create a solution that prevents a similar incident from happening in the future. The solution also must a low developers the possibilityy to manage the instances used for their workloads.
Which strategy will meet these requirements?

Question208: A user has enabled detailed CloudWatch monitoring with the AWS Simple Notification Service. Which of the below mentioned statements helps the user understand detailed monitoring better?

Question209: A company is migrating its application to AWS. The applications will be deployed to AWS accounts owned by business units. The company has several teams of Developers who are responsible for the development and maintenance of all application. The company is expecting rapid growth in the number of users The company's Chief Technology Officer has the following requirement
* Developers must launch the AWS Infrastructure using AWS CloudFormation
* Developers must not be able to create resources outside of CloudFormation
* The solution must be able to scale to hundreds of AWS accounts
Which of the following would meet these requirements? (Select TWO)

Question210: A user has created a VPC with two subnets: one public and one private. The user is planning to run the patch update for the instances in the private subnet.
How can the instances in the private subnet connect to the internet?

Question211: Which of the following is true of an instance profile when an IAM role is created using the console?

Question212: A company provides a centralized Amazon EC2 application hosted in a single shared VPC. The centralized application must be accessible from client applications running in the VPCs of other business units The centralized application front end is configured with a Network Load Balancer (NIB) foe scalability.
Up to 10 business unit VPCs will need to be connected to the shared VPC Some of the business unit VPC CIDR blocks overlap with the shared VPC and some overlap with each other Network connectivity to the centralized application in the shared VPC should be allowed from authorized business unit VPCs only.
Which network configuration should a solutions architect use to provide connectivity from the client applications in the business unit VPCs to the centralized application in the shared VPC?

Question213: A solutions architect is designing an application to accept timesheet entries from employees on their mobile devices. Timesheets will be submitted weekly, with most of the submissions occurring on Friday. The data must be stored in a format that allows payroll administrators to run monthly reports. The infrastructure must be highly available and scale to match the rate of incoming data and reporting requests.
Which combination of steps meets these requirements while minimizing operational overhead? (Select TWO.)

Question214: Does Amazon RDS API provide actions to modify DB instances inside a VPC and associate them with DB Security Groups?

Question215: A Solutions Architect is designing the storage layer for a recently purchased application. The application will be running on Amazon EC2 instances and has the following layers and requirements:
* Data layer: A POSIX file system shared across many systems.
* Service layer: Static file content that requires block storage with more than 100k IOPS.
Which combination of AWS services will meet these needs? (Choose two.)

Question216: A company is manually deploying its application to production and wants to move to a more mature deployment pattern. The company has asked a solutions architect to design a solution that leverages its current Chef tools and knowledge The application must be deployed to a staging environment for testing and verification before being deployed to production Any new deployment must be rolled back in 5 minutes if errors are discovered after a deployment Which AWS service and deployment pattern should the solutions architect use to meet these requirements?

Question217: A company is currently using AWS CodeCommit for its source control and AWS CodePipeline for continuous integration. The pipeline has a build stage for building the artifacts which is then staged in an Amazon S3 bucket.
The company has identified various improvement opportunities in the existing process, and a Solutions Architect has been given the following requirement:
* Create a new pipeline to support feature development
* Support feature development without impacting production applications
* Incorporate continuous testing with unit tests
* Isolate development and production artifacts
* Support the capability to merge tested code into production code.
How should the Solutions Architect achieve these requirements?

Question218: A mobile app has become very popular and usage has gone from a few hundred to millions of users Users capture and upload images of activities within a city and provide ratings and recommendations Data access patterns are unpredictable The current application is hosted on Amazon EC2 instances behind an Application Load Balancer (ALB) The application is experiencing slowdowns and costs are growing rapidly.
Which changes should a solutions architect mane to tr*e application architecture to control costs and improve performance?

Question219: A company is implementing a multi-account strategy; however, the Management team has expressed concerns that services like DNS may become overly complex. The company needs a solution that allows private DNS to be shared among virtual private clouds (VPCs) in different accounts. The company will have approximately 50 accounts in total.
What solution would create the LEAST complex DNS architecture and ensure that each VPC can resolve all AWS resources?

Question220: A company that develops consumer electronics with offices in Europe and Asia has 60 TB oi software images stored on premises m Europe The company wants to transfer the images to an Amazon S3 bucket in the ap-northeast-1 Region New software images are created daily and must be encrypted in transit The company needs a solution that does not require custom development to automatically transfer all existing and new software images to Amazon S3 What is the next step in the transfer process?

Question221: A solutions architect is designing a web application on AWS that requires 99.99% availability. The application will consist of a three-tier architecture that supports 300.000 web requests each minute when experiencing peak traffic. The application will use Amazon Route 53 for DNS resolution. Amazon CloudFront as the content delivery network (CDN), an Elastic Load Balancer far load balancing. Amazon EC2 Auto Scaling groups to scale the application tier, and Amazon Aurora MySQL as the backend database. The backend database load will average 90% reads and 10% writes. The company wants to build a cost-effective solution, but reliability is critical.
Which set of strategies should the solutions architect use?

Question222: A company has multiple business units. Each business unit has its own AWS account and runs a single website within that account. The company also has a single logging account Logs from each business unit website are aggregated into a single Amazon 53 bucket in the logging account The S3 bucket policy provides each business unit with access to write data into the bucket and requires data lo be encrypted The company needs to encrypt togs uploaded into the bucket using a single AWS Key Management Service (AWS KMS) CMK. The CMK that protects the data must be rotated once every 365 days Which strategy is the MOST operationally efficient for the company to use to meet these requirements?

Question223: A Solutions Architect is designing a system that will collect and store data from 2,000 internet-connected sensors. Each sensor produces 1 KB of data every second. The data must be available for analysis within a few seconds of it being sent to the system and stored for analysis indefinitely.
Which is the MOST cost-effective solution for collecting and storing the data?

Question224: A company has a VPC with two domain controllers running Active Directory in the default configuration. The VPC DHCP options set is configured to use the IP addresses of the two domain controllers. There is a VPC interface endpoint defined; but instances within the VPC are not able to resolve the private endpoint addresses.
Which strategies would resolve this issue? (Select TWO)

Question225: Someone has recommended a new client to you and you know he is into online gaming and you are almost certain he will want to set up an online gaming site which will require a database service that provides fast and predictable performance with seamless scalability.
Which of the following AWS databases would be best suited to an online gaming site?

Question226: A company is planning on hosting its ecommerce platform on AWS using a multi-tier web application designed for a NoSQL database. The company plans to use the us-west-2 Region as its primary Region. The company want to ensure that copies of the application and data are available in second Region, us-west-1, for disaster recovery. The company wants to keep the time to fall over as tow as possible. Fading back to the primary Region should be possible without administrative interaction after the primary service is restored.
Which design should the solutions architect use?

Question227: You've been hired to enhance the overall security posture for a very large e-commerce site. They have a well architected multi-tier application running in a VPC that uses ELBs in front of both the web and the app tier with static assets served directly from S3. They are using a combination of RDS and DynamoOB for their dynamic data and then archiving nightly into S3 for further processing with EMR. They are concerned because they found questionable log entries and suspect someone is attempting to gain unauthorized access.
Which approach provides a cost effective scalable mitigation to this kind of attack?

Question228: A company has a photo sharing social networking application. To provide a consistent experience for users, the company performs some image processing on the photos uploaded by users before publishing on the application. The image processing is implemented using a set of Python libraries.
The current architecture is as follows:
* The image processing Python code runs in a single Amazon EC2 instance and stores the processed images in an Amazon S3 bucket named ImageBucket.
* The front-end application, hosted in another bucket, loads the images from ImageBucket to display to users.
With plans for global expansion, the company wants to implement changes in its existing architecture to be able to scale for increased demand on the application and reduce management complexity as the application scales.
Which combination of changes should a solutions architect make? (Select TWO.)

Question229: A company CFO recently analyzed the company's AWS monthly bill and identified an opportunity to reduce the cost for AWS Elastic Beanstalk environments in use. The CFO has asked a Solutions Architect to design a highly available solution that will spin up an Elastic Beanstalk environment in the morning and terminate it at the end of the day.
The solution should be designed with minimal operational overhead and to minimize costs. It should also be able to handle the increased use of Elastic Beanstalk environments among different teams, and must provide a one-stop scheduler solution for all teams to keep the operational costs low.
What design will meet these requirements?

Question230: An organization is setting up a multi-site solution where the application runs on premise as well as on AWS to achieve the minimum recovery time objective(RTO).
Which of the below mentioned configurations will not meet the requirements of the multi-site solution scenario?

Question231: An organization has two Amazon EC2 instances:
The first is running an ordering application and an inventory application.
The second is running a queuing system.
During certain times of the year, several thousand orders are placed per second. Some orders were lost when the queuing system was down. Also, the organization's inventory application has the incorrect quantity of products because some orders were processed twice.
What should be done to ensure that the applications can handle the increasing number of orders?

Question232: A company plans to move regulated and security-sensitive businesses to AWS. The Security team is developing a framework to validate the adoption of AWS best practice and industry-recognized compliance standards. The AWS Management Console is the preferred method for teams to provision resources.
Which strategies should a Solutions Architect use to meet the business requirements and continuously assess, audit, and monitor the configurations of AWS resources? (Choose two.)

Question233: A company wants to migrate its website from an on-premises data center onto AWS. At the same time, it wants to migrate the website to a containerized microservice-based architecture to improve the availability and cost efficiency. The company's security policy states that privileges and network permissions must be configured according to best practice, using least privilege.
A Solutions Architect must create a containerized architecture that meets the security requirements and has deployed the application to an Amazon ECS cluster.
What steps are required after the deployment to meet the requirements? (Choose two.)

Question234: A company used Amazon EC2 instances to deploy a web fleet to host a blog site. The EC2 instances are behind an Application Load Balancer (ALB) and are configured in an Auto Scaling group. The web application stores all blog content on an Amazon EFS volume.
The company recently added a feature for bloggers to add video to their posts, attracting 10 times the previous user traffic. At peak times of day, users report buffering and timeout issues while attempting to reach the site or watch videos.
Which is the MOST cost-efficient and scalable deployment that will resolve the issues for users?

Question235: A company is running an application on Amazon EC2 instances in three environments; development, testing, and production. The company uses AMIs to deploy the EC2 instances. The company builds the AMIs by using custom deployment scripts and infrastructure orchestration tools for each release in each environment.
The company is receiving errors in its deployment process. Errors appear during operating system package downloads and during application code installation from a third-party Git hosting service. The company needs deployments to become more reliable across all environments.
Which combination of steps will meet these requirements? (Select THREE).

Question236: A company wants to improve cost awareness for its Amazon EMR platform. The company has allocated budgets for each team's Amazon EMR usage. When a budgetary threshold is reached, a notification should be sent by email to the budget office's distribution list. Teams should be able to view their EMR cluster expenses to date. A solutions architect needs to create a solution that ensures the policy is proactrvely and centrally enforced in a multi-account environment.
Which combination of steps should the solutions architect take to meet these requirements? (Select TWO )

Question237: A company is running a web application with On-Demand Amazon EC2 instances in Auto Scaling groups that scale dynamically based on custom metrics After extensive testing the company determines that the m5
2xlarge instance size is optimal for the workload Application data is stored in db r4 4xlarge Amazon RDS instances that are confirmed to be optimal The traffic to the web application spikes randomly during the day What other cost-optimization methods should the company implement to further reduce costs without impacting the reliability of the application?

Question238: A company is planning to host a web application on AWS and works to load balance the traffic across a group of Amazon EC2 instances. One of the security requirements is to enable end-to-end encryption in transit between the client and the web server.
Which solution will meet this requirement?

Question239: A company wants to change its internal cloud billing strategy for each of its business units Currently, the cloud governance team shares reports for overall cloud spending with the head of each business unit. The company uses AWS Organizations to manage the separate AWS accounts for each business unit. The existing tagging standard in Organizations includes the application environment and owner. The cloud governance team wants a centralized solution so each business unit receives monthly reports on its cloud spending. The solution should also send notifications for any cloud spending that exceeds a set threshold Which solution is the MOST cost-effective way to meet these requirements?

Question240: A company is running a commercial Apache Hadoop cluster on Amazon EC2. This cluster is being used daily to query large files on Amazon S3. The data on Amazon S3 has been curated and does not require any additional transformations steps. The company is using a commercial business intelligence (BI) tool on Amazon EC2 to run queries against the Hadoop cluster and visualize the data.
The company wants to reduce or eliminate the overhead costs associated with managing the Hadoop cluster and the BI tool. The company would like to remove to a more cost-effective solution with minimal effort. The visualization is simple and requires performing some basic aggregation steps only.
Which option will meet the company's requirements?

Question241: A large global company wants to migrate a stateless mission-critical application to AWS. The application is based on IBM WebSphere (application and integration middleware), IBM MQ (messaging middleware), and IBM DB2 (database software) on a z/OS operating system.
How should the Solutions Architect migrate the application to AWS?

Question242: A company runs a memory-intensive analytics application using on-demand Amazon EC2 compute optimized instance. The application is used continuously and application demand doubles during working hours. The application currently scales based on CPU usage. When scaling in occurs, a lifecycle hook is used because the instance requires 4 minutes to clean the application state before terminating.
Because users reported poor performance during working hours, scheduled scaling actions were implemented so additional instances would be added during working hours. The Solutions Architect has been asked to reduce the cost of the application.
Which solution is MOST cost-effective?

Question243: A user has launched a dedicated EBS backed instance with EC2. You are curious where the EBS volume for this instance will be created.
Which statement is correct about the EBS volume's creation?

Question244: A large company recently experienced an unexpected increase in Amazon RDS and Amazon DynamoDB costs. The company needs to increase visibility into delays of AWS Billing and Cost Management. There are various accounts associated with AWS Organizations, including many development and production accounts.
There is no consistent tagging strategy across the organization, but there are guidelines in place that require all infrastructure to be deployed using AWS CloudFormation with consistent tagging Management requires cost center numbers and project ID numbers for all existing and future DynamoOB tables and RDS instances.
Which strategy should the solutions architect provide to meet these requirements?

Question245: A company has an application that sells tickets online and experiences bursts of demand even/ 7 days. The application has a stateless presentation layer running on Amazon EC2 an Oracle database to store unstructured data catalog information and a backend API layer. The front-end layer uses an Elastic Load Balancer to distribute the load across nine On-Demand instances over three Availability Zones (AZs). The Oracle database is running on a single EC2 instance The company is experiencing performance issues when running more than two concurrent campaigns. A solutions architect must design a solution that meets the following requirements
* Address scalability issues
* Increase the level of concurrency
* Eliminate licensing costs
* improve reliability
Which set of steps should the solutions architect take?

Question246: A company hosts a blog post application on AWS using Amazon API Gateway. Amazon DynampDB, and AWS Lambda. The application currently does not use API keys to authorize requests. The API model is as follows:
* GET/posts/[postid] to get post details
* GET/users[userid] to get user details
* GET /comments/[commentid] to get comments details
The company has noticed are actively discussing topics in the comments section, and the company wants to increase use engagement by marking the comments appears in real time.
Which design should be used to reduce comment latency and improve user experience?

Question247: A new startup is running a serverless application using AWS Lambda as the primary source of compute. New versions of the application must be made available to a subset of users before deploying changes to an users. Developers should also have the ability to abort the deployment and have access to an easy rollback mechanism. A solutions architect decides to use AWS CodeDeploy to deploy changes when a new version is available.
Which CodeDeploy configuration should the solutions architect use?

Question248: A user is trying to understand the detailed CloudWatch monitoring concept. Which of the below mentioned services does not provide detailed monitoring with CloudWatch?

Question249: You have an application running on an EC2 Instance which will allow users to download flies from a private S3 bucket using a pre-signed URL. Before generating the URL the application should verify the existence of the file in S3.
How should the application use AWS credentials to access the S3 bucket securely?

Question250: You are developing a new mobile application and are considering storing user preferences in AWS.2w This would provide a more uniform cross-device experience to users using multiple mobile devices to access the application. The preference data for each user is estimated to be 50KB in size Additionally 5 million customers are expected to use the application on a regular basis.
The solution needs to be cost-effective, highly available, scalable and secure, how would you design a solution to meet the above requirements?

Question251: A Solutions Architect must design a highly available, stateless, REST service. The service will require multiple persistent storage layers for service object meta information and the delivery of content. Each request needs to be authenticated and securely processed. There is a requirement to keep costs as low as possible?
How can these requirements be met?

Question252: An organization has setup RDS with VPC. The organization wants RDS to be accessible from the internet.
Which of the below mentioned configurations is not required in this scenario?

Question253: An ecommerce website running on AWS uses an Amazon RDS for MySQL DB instance with General Purpose SSD storage. The developers chose an appropriate instance type based on demand, and configured 100 GB of storage with a sufficient amount of free space.
The website was running smoothly for a few weeks until a marketing campaign launched On the second day of the campaign, users reported long wait times and time outs Amazon CloudWatch metrics indicated that both reads and writes to the DB instance were experiencing long response times. The CloudWatch metrics show 40% to 50% CPU and memory utilization, and sufficient free storage space is still available The application server logs show no evidence of database connectivity issues What could be the root cause of the issue with the marketing campaign?

Question254: An AWS partner company is building a service in AWS Organizations using its organization named org1. This service requires the partner company to have access to AWS resources in a customer account, which is in a separate organization named org2. The company must establish least privilege security access using an API or command line tool to the customer account.
What is the MOST secure way to allow org1 to access resources in org2?

Question255: A company is running a workload that consists of thousands of Amazon EC2 instances. The workload is running in a VPC that contains several public subnets and private subnets The public subnets have a route for 0 0.0 0/0 to an existing internet gateway The private subnets have a route for 0.0.0.0/0 to an existing NAT gateway.
A solutions architect needs to migrate the entire fleet of EC2 instances to use IPv6. The EC2 instances that are in private subnets must not be accessible from the public internet What should the solutions architect do to meet these requirements?

Question256: A company had a tight deadline to migrate its on-premises environment to AWS. It moved over Microsoft SQL Servers and Microsoft Windows Servers using the virtual machine import/export service and rebuild other applications native to the cloud. The team created both Amazon EC2 databases and used Amazon RDS.
Each team in the company was responsible for migrating their applications, and they have created individual accounts for isolation of resources. The company did not have much time to consider costs, but now it would like suggestions on reducing its AWS spend.
Which steps should a Solutions Architect take to reduce costs?

Question257: A large multinational company runs a timesheet application on AWS that is used by staff across the world. The application runs on Amazon EC2 instances in an Auto Scaling group behind an Elastic Load Balancing (ELB) load balancer, and stores in an Amazon RDS MySQL Multi-AZ database instance.
The CFO is concerned about the impact on the business if the application is not available. The application must not be down for more than two hours, but the solution must be as cost-effective as possible.
How should the Solutions Architect meet the CFO's requirements while minimizing data loss?

Question258: A large global financial services company has multiple business units. The company wants to allow Developers to try new services, but there are multiple compliance requirements for different workloads. The Security team is concerned about the access strategy for on-premises and AWS implementations. They would like to enforce governance for AWS services used by business team for regulatory workloads, including Payment Card Industry (PCI) requirements.
Which solution will address the Security team's concerns and allow the Developers to try new services?

Question259: A company has a VPC with two domain controllers running Active Directory in the default configuration. The VPC DHCP options set is configured to use the IP addresses of the two domain controllers. There is a VPC interface endpoint defined; but instances within the VPC are not able to resolve the private endpoint addresses.
Which strategies would resolve this issue? (Select TWO)

Question260: A company provides AWS solutions to its users with AWS CloudFormation templates. Users launch the templates in their accounts to have different solutions provisioned for them. The users want to improve the deployment strategy for solutions while retaining the ability to do the following:
* Add their own features to a solution for their specific deployments.
* Run unit tests on their changes.
* Turn features on and off for their deployments.
* Automatically update with code changes.
* Run security scanning tools for their deployments.
Which strategies should the solutions architect use to meet the requirements?

Question261: A company Is serving files to its customers through an SFTP server that Is accessible over the internet The SFTP server Is running on a single Amazon EC2 instance with an Elastic IP address attached Customers connect to the SFTP server through its Elastic IP address and use SSH for authentication The EC2 instance also has an attached security group that allows access from all customer IP addresses.
A solutions architect must implement a solution to improve availability minimize the complexity ot infrastructure management and minimize the disruption to customers who access files. The solution must not change the way customers connect.
Which solution will meet these requirements?

Question262: A photo-sharing and publishing company receives 10,000 to 150,000 images daily. The company receives the images from multiple suppliers and users registered with the service. The company is moving to AWS and wants to enrich the existing metadata by adding data using Amazon Rekognition.
The following is an example of the additional data:

As part of the cloud migration program, the company uploaded existing image data to Amazon S3 and told users to upload images directly to Amazon S3.
What should the Solutions Architect do to support these requirements?

Question263: A company has an Amazon VPC that is divided into a public subnet and a private subnet A web application runs in Amazon VPC, and each subnet has its own NACL The public subnet has a CIDR of 10.0.0.0/24. An Application Load Balancer is deployed to the public subnet. The private subnet has a CIDR of 10.0.1.0/24.
Amazon EC2 instances that run a web server on port 80 are launched into the private subnet.
Only network traffic that is required for the Application Load Balancer to access the web application can be allowed to travel between the public and private subnets What collection of rules should be written to ensure that the private subnet's NACL meets the requirement?
(Select TWO.)

Question264: A company has a three tier application running on AWS with a web server, an application server, and an Amazon RDS MySQL DB instance A solutions architect is designing a disaster recovery (DR) solution with an RPO of 5 minutes Which solution will meet the company's requirements?

Question265: You are designing a photo-sharing mobile app. The application will store all pictures in a single Amazon S3 bucket.
Users will upload pictures from their mobile device directly to Amazon S3 and will be able to view and download their own pictures directly from Amazon S3.
You want to configure security to handle potentially millions of users in the most secure manner possible.
What should your server-side application do when a new user registers on the photo-sharing mobile application?

Question266: How can you check the operational validity of your AWS CloudFormation template?

Question267: A Solutions Architect must establish a patching plan for a large mixed fleet of Windows and Linux servers. The patching plan must be implemented securely, be audit ready, and comply with the company's business requirements.
Which option will meet these requirements with MINIMAL effort?

Question268: A media company has a static web application that is generated programmatically. The company has a build pipeline that generates HTML content that is uploaded to an Amazon S3 bucket served by Amazon CloudFront. The build pipeline runs inside a Build Account. The S3 bucket and CloudFront distribution are in a Distribution Account. The build pipeline uploads the files to Amazon S3 using an 1AM role in the Build Account. The S3 bucket has a bucket policy that only allows CloudFront to read objects using an origin access identity (OAI). During testing, all attempts to access the application using the CloudFront URL result in an HTTP 403 Access Denied response.
What should a solutions architect suggest to the company to allow access the objects in Amazon S3 through CloudFront?

Question269: A large company is migrating its entire IT portfolio to AWS. Each business unit in the company has a standalone AWS account that supports both development and test environments. New accounts to support production workloads will be needed soon.
The Finance department requires a centralized method for payment but must maintain visibility into each group's spending to allocate costs.
The Security team requires a centralized mechanism to control IAM usage in all the company's accounts.
What combination of the following options meet the company's needs with LEAST effort? (Choose two.)

Question270: A financial company is building a system to generate monthly, immutable bank account statements (or its users. Statements are stored in Amazon S3. Users should have immediate access to their monthly statements lor up to 2 years. Some users access their statements frequently, whereas others rarely access their statements. The company's security and compliance policy requires that the statements be retained for at least 7 years.
What is the MOST cost-effective solution to meet the company's needs?

Question271: Your company has HQ in Tokyo and branch offices all over the world and is using a logistics software with a multi-regional deployment on AWS in Japan, Europe and USA. The logistic software has a 3-tier architecture and currently uses MySQL 5.6 for data persistence. Each region has deployed its own database.
In the HQ region you run an hourly batch process reading data from every region to compute cross-regional reports that are sent by email to all offices this batch process must be completed as fast as possible to quickly optimize logistics.
How do you build the database architecture in order to meet the requirements'?

Question272: A solutions architect works for a government agency that has strict disaster recovery requirements All Amazon Elastic Block Store (Amazon EBS) snapshots are required to be saved in at least two additional AWS Regions.
The agency also is required to maintain the lowest possible operational overhead.
Which solution meets these requirements?

Question273: A company uses multiple AWS accounts in a single AWS Region. A solution architect is designing a solution to consolidate logs generated by Elastic Load Balancers (ELBs)in the AppDev, AppTest and AppProd accounts. The logs should be stored in an existing Amazon S3 bucket named s3-eib-logs in the central AWS accounts. The central account is used for log consolidation only does not have ELBs deployed. ELB logs must be encrypted at rest.
Which combination of steps should the solutions architect take to build the solution? (Select Two)

Question274: A company hosts a web application on AWS in the us-east-1 Region. The application server are distributed across three Availability Zones behind an Application Load Balancer. The database is hosted in MYSQL database on an Amazon EC2 instance. A solutions architect needs to design a cross-Region data recovery solution using AWS services with an RTO of less than 5 minutes and an RPO of less than 1 minute. The solutions architect is deploying application servers in us-west-2, and has configured Amazon Route 53 hearth checks and DNS failover to us-west-2.
Which additional step should the solutions architect take?

Question275: A large multinational company runs a timesheet application on AWS that is used by staff across the world The application runs on Amazon EC2 instances in an Auto Scaling group behind an Elastic Load Balancing (ELB) load balancer, and stores data in an Amazon RDS MySQL Multi-AZ database instance.
The CFO is concerned about the impact on the business if the application is not available The application must not be down for more than two hours, but the solution must be as cost-effective as possible How should the solutions architect meet the CFO's requirements while minimizing data loss?

Question276: A company provides auction services for artwork and has users across North America and Europe. The company hosts its application in Amazon EC2 instances m the us-east-1 Region. Artists upload photos of their work as large-size, high-resolution image files from their mobile phones to a centralized Amazon S3 bucket created in the us-east-1 Region The users in Europe are reporting slow performance for their image uploads.
How can a solutions architect improve the performance of the image upload process?