EMT Practice Test

1. Question Content...

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Question1: A company has three VPCs named Development, Testing and Production in the us-east-1 Region. The three VPCs need to be connected to an on-premises data center and are designed to be separate to maintain security and prevent any resource sharing A solutions architect needs to find a scalable and secure solution What should the solutions architect recommend?

Question2: A company hosts an application on AWS. The application interacts with an Amazon DynamoDB table that has 10 read capacity units (RCUs) Data from Amazon CloudWatch alarms shows that throttling is occurring on read requests to the DynamoDB table. The company needs to prevent this issue from happening in the future as the application continues to grow.
What should a solutions architect recommend to meet these requirements?

Question3: A company needs to implement a relational database with a multi-Region disaster recovery Recovery Point Objective (RPO) of 1 second and an Recovery Time Objective (RTO) of 1 minute Which AWS solution can achieve this?

Question4: A company hosts its website on AWS To address the highly variable demand the company has implemented Amazon EC2 Auto Scaling Management is concerned that the company Is over-prows toning its infrastructure, especially at the front end of the three-tier application. A solutions architect needs to ensure costs are optimized without impacting performance What should the solutions architect do to accomplish this?

Question5: A company recently launched Linux-based application instances on Amazon EC2 in a private subnet and launched a Linux-based bastion host on an Amazon EC2 instance in a public subnet of a VPC A solutions architect needs to connect from the on-premises network, through the company's internet connection to the bastion host and to the application servers The solutions architect must make sure that the security groups of all the EC2 instances will allow that access Which combination of steps should the solutions architect take to meet these requirements? (Select TWO)

Question6: An application runs on Amazon EC2 instances across multiple Availability Zones. The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer The application performs best when the CPU utilization of the EC2 instances is at or near 40%.
What should a solutions architect do to maintain the desired performance across all instances in the group?

Question7: A company is developing a real-time multiplayer game that uses UDP for communications between the client and servers In an Auto Scaling group Spikes in demand are anticipated during the day, so the game server platform must adapt accordingly Developers want to store gamer scores and other non-relational data in a database solution that will scale without intervention Which solution should a solutions architect recommend?

Question8: A company stores use' data in AWS The data is used continuously with peak usage during business hours Access patterns vary with some data not being used for months at a time A solutions architect must choose a cost-effective solution that maintains the highest level of durability while maintaining high availability.
Which storage solution meets these requirements?

Question9: A company has an automobile sales website that stores its listings m a database on Amazon RDS When an automobile is sold the listing needs to be removed from the website and the data must be sent to multiple target systems.
Which design should a solutions architect recommend?

Question10: A company has data stored in an on-premises data center that is used by several on-premises applications The company wants to maintain its existing application environment and be able to use AWS services for data analytics and future visualizations Which storage service should a solutions architect recommend?

Question11: A company's website hosted on Amazon EC2 instances processes classified data stored in Amazon S3. Due to security concerns, the company requires a private and secure connection between its EC2 resources and Amazon S3.
Which solution meets these requirements?

Question12: A company processes large amounts of dat
a. The output data is stored in Amazon S3 Standard storage in an S3 bucket, where it is analyzed for 1 month. The data must remain immediately accessible after the 1-month analysis period.
Which storage solution meets these requirements MOST cost-effectively?

Question13: A company has a Windows-based application that must be migrated to AWS. The application requires the use of a shared Windows Me system attached to multiple Amazon EC2 Windows instances that are deployed across multiple Availability Zones What should a solutions architect do to meet this requirement?

Question14: A company runs a photo processing application mat needs to frequently upload and download pictures from Amazon S3 buckets that are located in the same AWS Region A solutions architect has noticed an increased cost in data transfer lees and needs to implement a solution to reduce these costs How can the solutions architect meet this requirement?

Question15: A company has a web application with sporadic usage patterns There is heavy usage at the beginning of each month moderate usage at the start of each week and unpredictable usage during the week The application consists of a web server and a MySQL database server running inside the data center The company would like to move the application to the AWS Cloud and needs to select a cost-effective database platform that will not require database modifications Which solution will meet these requirements''

Question16: A company uses an Amazon S3 bucket to store static images for its website. The company configured permissions to allow access to Amazon S3 objects by privileged users only. What should a solutions architect do to protect against data loss? (Select TWO.)

Question17: A company uses on-premises servers to host Its application. The company is running out of storage capacity. The applications use both block storage and NFS storage. The company needs a high-performing solution that supports local caching without re-architecting its existing applications Which combination of actions should a solutions architect take to meet these requirements'? (Select TWO.)

Question18: A solution architect is creating a new Amazon CloudFront distribution for an application Some of Ine information submitted by users is sensitive. The application uses HTTPS but needs another layer" of security The sensitive information should be protected throughout the entire application stack end access to the information should be restricted to certain applications Which action should the solutions architect take?

Question19: A solutions architect needs to design a managed storage solution for a company's application that includes high-performance machine learning This application runs on AWS Fargate, and the connected storage needs to have concurrent access to files and deliver high performance Which storage option should the solutions architect recommend?

Question20: A company has created a multi-tier application for its ecommerce website The website uses an Application Load Balancer that resides in the public subnets, a web tier in the public subnets, and a MySQL cluster hosted on Amazon EC2 instances in the private subnets. The MySQL database needs to retrieve product catalog and pricing information that is hosted on the internet by a third-party provider A solutions architect must devise a strategy that maximizes security without increasing operational overhead What should the solutions architect do to meet these requirements?

Question21: A solutions architect must design a highly available infrastructure for a website. The website is powered by Windows web servers that run on Amazon EC2 instances. The solutions architect must implement a solution that can mitigate a large-scale DDoS attack that originates from thousands of IP addresses. Downtime is not acceptable for the website.
Which actions should the solutions architect take to protect the website from such an attack? (Select TWO.)

Question22: A company has a three-tier environment on AWS that ingests sensor data from its users' devices The traffic flows through a Network Load Balancer (NIB) then to Amazon EC2 instances for the web tier and finally to EC2 instances for the application tier that makes database calls What should a solutions architect do to improve the security of data in transit to the web tier?

Question23: A computer is reviewing a recent migration of a three-tier application to a VPC. The security team discover that the principle of lest privilege is not being applied to Amazon EC2 security group ingress and egress rules between the application tiers.
What should a solution architect do to connect issue?

Question24: A company has a web application hosted over 10 Amazon EC2 instances with traffic directed by Amazon Route 53 The company occasionally experiences a timeout error when attempting to browse the application The networking team finds that some DNS queries return IP addresses of unhealthy instances resulting in the timeout error What should a solutions architect implement to overcome these timeout errors?

Question25: A solutions architect needs to design a network that will allow multiple Amazon EC2 instances to access a common data source used for mission-critical data that can be accessed by all the EC2 instances simultaneously. The solution must be highly scalable, easy to implement, and support the NFS protocol Which solution meets these requirements?

Question26: A company has enabled AWS CloudTrail logs to deliver log files to an Amazon S3 bucket for each of its developer accounts. The company has created a central AWS account for streamlining management and audit reviews An internal auditor needs to access the CloudTrail logs yet access needs to be restricted for all developer account users The solution must be secure and optimized How should a solutions architect meet these requirements'?

Question27: An application running on AWS uses an Amazon Aurora Multi-AZ deployment for its database When evaluating performance metrics, a solutions architect discovered that the database reads are causing high I/O and adding latency to the write requests against the database What should the solutions architect do to separate the read requests from the write requests?

Question28: A security learn needs to enforce the rotation of all 1AM users' access keys every 90 days If an access key Is found to be older, the key must be made inactive and removed A solutions architect must create a solution that will check for and remediate any keys older than 90 days Which solution meets these requirements with the LEAST operational effort?

Question29: A developer has a script lo generate daily reports that users previously ran manually The script consistently completes in under 10 minutes The developer needs to automate this process in a cost-effective manner.
Which combination of services should the developer use? (Select TWO.)

Question30: A company operates a two-tier application for image processing. The application uses two Availability Zones, each with one public subnet and one private subnet. An Application Load Balancer (ALB) for the web tier uses the public subnets. Amazon EC2 instances for the application tier use the private subnets.
Users report that the application is running more slowly than expected. A security audit of the web server log files shows that the application is receiving millions of illegitimate requests from a small number of IP addresses. A solutions architect needs to resolve the immediate performance problem while the company investigates a more permanent solution.
What should the solutions architect recommend to meet this requirement?

Question31: An Amazon EC2 administrator created the following policy associated with an IAM group containing several users

What is the effect of this policy?

Question32: A company needs guaranteed Amazon EC2 capacity in three specific Availability Zones in a specific AWS Region for an upcoming event that will last 1 week.
What should the company do to guarantee the EC2 capacity?

Question33: A company has deployed a multiplayer game for mobile devices. The game requires live location tracking of players based on latitude and longitude. The data store for the game must support rapid updates and retrieval of locations.
The game uses an Amazon RDS for PostgreSQL DB instance with read replicas to store the location dat a. During peak usage periods, the database is unable to maintain the performance that is needed for reading and writing updates. The game's user base is increasing rapidly.
What should a solutions architect do to improve the performance of the data tier?

Question34: A company's security team requests that network traffic be captured in VPC Flow Logs The logs will be frequently accessed for 90 days and then accessed intermittently What should a solutions architect do to meet these requirements when configuring the logs?

Question35: A company receives data from millions of users totalling about 1 TB each day. The company providers its users with usage report going back 12 months. All usage data must be stored for at least 5 years to comply with regularly and auditing requirement?
Which storage solution is MOST cost-effective?

Question36: A social media company allows users to upload images to its website. The website runs on Amazon EC2 instances. During upload requests, the website resizes the images to a standard size and stores the resized images in Amazon S3. Users are experiencing slow upload requests to the website.
The company needs to reduce coupling within the application and improve website performance A solutions architect must design the most operationally efficient process for image uploads Which combination of actions should the solutions architect take to meet these requirements'? (Select TWO.)

Question37: A company is planning to migrate a TCP-based application into the company's VPC The application is publicly accessible on a nonstandard TCP port through a hardware appliance in the company's data centre. This public endpoint can process up to 3 million requests per second with low latency. The company requires the same level of performance for the new public endpoint in AWS.
What should a solutions architect recommend to meet this requirement?

Question38: A company is running a three-tier web application to process credit card payments The front-end user interface consists of static webpages The application tier can have long-runmng processes The database tier uses MySQL The application is currently running on a single general purpose large Amazon EC2 instance A solutions architect needs to decouple the services to make the web application highly available Which solution would provide the HIGHEST availability

Question39: A company's packaged application dynamically creates and returns single-use text files in response to user requests. The company is using Amazon CloudFront for distribution^ but wants to further reduce data transfer costs The company cannot modify the application's source code What should a solutions architect do to reduce costs?

Question40: A company is hosting 60 TB of production-level data in an Amazon S3 bucket A solutions architect needs to bring that data on premises for quarterly audit requirements This export of data must be encrypted while in transit The company has low network bandwidth in place between AWS and its on-premises data center.
What should the solutions architect do to meet these requirements?

Question41: A weather forecasting company needs to process hundreds of gigabytes of data with sub-mill (second latency. The company has a high performance computing (HPC) environment in its data center and wants to expand its forecasting capabilities A solutions architect must identify a highly available cloud storage solution that can handle large amounts of sustained throughput Files that are stored in the solution should be accessible to thousands of compute instances that will simultaneously access and process the entire dataset What should the solutions architect do to meet these requirements?

Question42: A company hosls historical weather records in Amazon S3 The records are downloaded from the company's website by way of a URL that resolves to a domain name Users all over the world access this content through subscriptions A third-party provider hosts the company's root domain name, but the company recently migrated some of its services to Amazon Route 53. The company wants to consolidate contracts, reduce latency for users, and reduce costs related to serving the application to subscribers Which solution meets these requirements?

Question43: A company runs an application on a group of Amazon Linux EC2 instances. For compliance reasons, the company must retain all application log files for 7 years. The log files will be analyzed by a reporting tool that must be able to access all the files concurrently.
Which storage solution meets these requirements MOST cost-effectively?

Question44: A company is running an ASP.NET MVC application on a single Amazon EC2 instance. A recent increase in application traffic is causing slow response times for users during lunch hours. The company needs to resolve this concern with the least amount of configuration.
What should a solutions architect recommend to meet these requirements?

Question45: A company is designing a new application that runs in a VPC on Amazon EC2 instances. The application stores data in Amazon S3 and uses Amazon DynamoDB as its database For compliance reasons, the company prohibits all traffic between the EC2 instances and other AWS services from passing over the public internet What can a solutions architect do to meet this requirement?

Question46: A social media company is building a feature tor its website. The feature will give users the ability to upload photos. The company expects significant increases in demand during large events and must ensure that the website can handle the upload traffic from users.
Which solution meets these requirements with the MOST scalability?

Question47: A solutions architect is designing the architecture for a software demonstration environment The environment will run on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) The system will experience significant increases in traffic during working hours but Is not required to operate on weekends.
Which combination of actions should the solutions architect take to ensure that the system can scale to meet demand? (Select TWO)

Question48: A solution architect is designing a new service behind API Gateway. The request pattern for the service will be unpredictable and can change suddenly from 0 request to over 500 per second. The total size of the data that needs to be persisted database is currently less than 1 GB unpredictable future growth. Date can be queried using sampling key -value request.
Which combination of AWS services would meet these requirements? (Select TWO.)

Question49: A company is planning to migrate a legacy application to AWS. The application currently uses NFS to communicate to an on-premises storage solution to store application dat a. The application cannot be modified to use any other communication protocols other than NFS for this purpose Which storage solution should a solutions architect recommend for use after the migration?

Question50: A company is using AWS Key Management Service (AWS KMS) customer master keys (CMKs) to encrypt AWS Lambda environment variables A solutions architect needs to ensure that the required permissions are in place to decrypt and use the environment variables.
Which steps must the solutions architect take to implement the correct permissions? (Select TWO.)

Question51: An application runs on Amazon EC2 instances across multiple Availability Zones The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer The application performs best when the CPU utilization of the EC2 instances is at or near 40%.
What should a solutions architect do to maintain the desired performance across all instances in the group?

Question52: A company is building a new furniture inventory application The company has deployed the application on a fleet of Amazon EC2 instances across multiple Availability Zones The EC2 instances run behind an Application Load Balancer (ALB) in their VPC A solutions architect has observed that incoming traffic seems to favor one EC2 instance resulting in latency for some requests What should the solutions architect do to resolve this issue?

Question53: A company sells datasets to customers who do research in artificial intelligence and machine learning (Al/ML) The datasets are large, formatted files that are stored in an Amazon S3 bucket in the us-east-1 Region The company hosts a web application that the customers use to purchase access to a given dataset The web application is deployed on multiple Amazon EC2 instances behind an Application Load Balancer After a purchase is made customers receive an S3 signed URL that allows access to the files.
The customers are distributed across North America and Europe The company wants to reduce the cost that is associated with data transfers and wants to maintain or improve performance.
What should a solutions architect do to meet these requirements?

Question54: A company has a customer relationship management (CRM) application that stores data in an Amazon RDS DB instance that runs Microsoft SQL Server. The company's IT staff has administrative access to the database. The database contains sensitive dat a. The company wants to ensure that the data is not accessible to the IT staff and that only authorized personnel can view the data.
What should a solutions architect do to secure the data?

Question55: A company hosts historical weather records in Amazon S3. The records are downloaded from the company's website by way of a URL that resolves to a domain name Users all over the world access this content through subscriptions. A third-party provider hosts the company's root domain name, but the company recently migrated some of its services to Amazon Route 53 The company wants to consolidate contracts, reduce latency for users, and reduce costs related to serving the application to subscribers.
Which solution meets these requirements?

Question56: A company has a custom application running on an Amazon EC2 instance that
* Reads a large amount of data from Amazon S3
* Performs a multi-stage analysis.
Writes the results to Amazon DynamoDB
The application writes a significant number of large, temporary files during the multi-stage analysis. The process performance depends on the temporary storage performance. What would be the fastest storage option for holding the temporary files?

Question57: A company has a stateless web application that runs on AWS Lambda functions that are invoked by Amazon API Gateway. The company wants to deploy the application across multiple AWS Regions to provide Regional failover capabilities.
What should a solutions architect do to route traffic to multiple Regions?

Question58: A company is launching a new application that will be hosted on Amazon EC2 instances. A solutions architect needs to design a solution that does not allow public IPv4 access that originates from the internet. However, the solution must allow the EC2 instances to make outbound IPv4 internet requests.
The initial design proposal shows that the EC2 instances would be located in two private subnets across two Availability Zones. The entire architecture must be highly available.
How should the solutions architect change the architecture to meet these requirements?

Question59: A company is running a multi-tier web application on premises. The web application is containerized and runs on a number of Linux hosts connected to a PostgreSQL database that contains user records The operational overhead of maintaining the infrastructure and capacity planning is limiting the company's growth A solutions architect must improve the application's infrastructure.
Which combination of actions should the solutions architect take to accomplish this? (Select TWO.)

Question60: A company has an on-premises application that collects data and stores it to an on-premises NFS server The company recently set up a 10 Gbps AWS Direct Connect connection The company is running out of storage capacity on premises. The company needs to migrate the application data from on premises to the AWS Cloud while maintaining low-latency access to the data from the on-premises application What should a solutions architect do to meet these requirements?

Question61: A company is developing an Internal application that uses a PostgreSQL database. The company has decided to host the database on Amazon Aurora The application does not need to be highly available but data must be stored in multiple Availability Zones to maximize durability.
Which database configuration meets these requirements MOST cost-effectively?

Question62: A solutions architect is redesigning a monolithic application to be a loosely coupled application composed of two microservices: Microservice A and Microservice B Microservice A places messages in a mam Amazon Simple Queue Service (Amazon SOS) queue for Microservice B to consume When Microservice B fails to process a message after four retries, the message needs to be removed from the queue and stored for further investigation.
What should the solutions architect do to meet these requirements?

Question63: A company has 150 TB of archived image data stored on-premises that needs to be moved to the AWS Cloud within the next month. The company's current network connection allows up to 100 Mbps uploads for this purpose during the night only.
What is the MOST cost-effective mechanism to move this data and meet the migration deadline?

Question64: A company hosts its multi-tier, public web application in the AWS Cloud. The web application runs on Amazon EC2 instances and its database runs on Amazon RDS The company is anticipating a large increase in sales during an upcoming holiday weekend A solutions architect needs to build a solution to analyze the performance of the web application with a granularity of no more than 2 minutes.
What should the solutions architect do to meet this requirement?

Question65: A solutions architect is designing a security solution for a company that wants to provide developers with individual AWS accounts through AWS Organizations, while also maintaining standard security controls Because the individual developers will have AWS account root user-level access to their own accounts, the solutions architect wants to ensure that the mandatory AWS CloudTrail configuration that is applied to new developer accounts is not modified.
Which action meets these requirements?

Question66: A company has been running a web application with an Oracle relational database in an on-premises data center for the past 15 years. The company must migrate the database to AWS. The company needs to reduce operational overhead without having to modify the application's code.
Which solution meets these requirements?

Question67: A company plans to store sensitive user data on Amazon S3 internal security compliance requirement mandate encryption of data before secured it to Amazon S3.
What should a solutions architect recommend to safely these requirements?

Question68: A solutions architect needs to ensure that API calls to Amazon DynamoDB from Amazon EC2 instances in a VPC do not traverse the internet What should the solutions architect do to accomplish this? (Select TWO.)

Question69: A bicycle sharing company is developing a multi-tier architecture to track the location of its bicycles during peak operating hours The company wants to use these data points in its existing analytics platform A solutions architect must determine the most viable multi-tier option to support this architecture The data points must be accessible from the REST API.
Which action meets these requirements for storing and retrieving location data?

Question70: A company is hosting an application in its own data center The application uses Amazon S3 for data storage The application transfers several hundred terabytes of data every month to and from Amazon S3 The company needs to minimize the cost of this data transfer Which solution meets this requirement?

Question71: A company is running a multi-tier web application on AWS. The application runs its database on Amazon Aurora MySQL. The application and database tiers are in the us-easily Region.
A database administrator who monitors the Aurora DB cluster finds that an intermittent increase in read traffic is creating high CPU utilization on the read replic a. The result is increased read latency for the application. The memory and disk utilization of the DB instance are stable throughout the event of increased latency.
What should a solutions architect do to improve the read scalability?

Question72: A monolithic application was recently migrated to AWS and is now running on a single Amazon EC2 instance Due to application limitations it is not possible to use automatic scaling to scale out the application. The chief technology officer (CTO) wants an automated solution to restore the EC2 instance in the unlikely event the underlying hardware fails What would allow foe automatic recovery of the EC2 instance as quickly as possible?

Question73: A company has applications that are deployed in multiple AWS Regions. The applications use an architecture that is based on Amazon EC2, Amazon Elastic Block Store (Amazon EBS), Amazon Elastic File System (Amazon EFS). and Amazon DynamoDB The company lacks a mechanism for centralized data backup. A solutions architect must centralize data backup with the least possible operational effort.
What should the solutions architect do to meet these requirements?

Question74: A company's website runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The website has a mix of dynamic and static content. Users around the globe are reporting that the website is slow Which set of actions will improve website performance for users worldwide?

Question75: A company runs a web-based portal that provides users with global breaking news local alerts, and weather updates The portal delivers each user a personalized view by using a mixture of static and dynamic content Content is served over HTTPS through an API server running on an Amazon EC2 instance behind an Application Load Balancer (ALB) The company wants the portal to provide this content to its users across the world as quickly as possible How should a solutions architect design the application to ensure the LEAST amount of latency for all users?

Question76: A company's database is hosted on an Amazon Aurora MySQL DB cluster in the us-east-1 Region The database is 4 TB in size. The company needs to expand its disaster recovery strategy to the us-west-2 Region The company must have the ability to fail over to us-west-2 with a recovery time objective (RTO) of 15 minutes.
What should a solutions architect recommend to meet these requirements?

Question77: A company has an application that uses Amazon Elastic File System (Amazon EFS) to store dat a. The files are 1 GB in size or larger and are accessed often only for the first few days after creation The application data is shared across a cluster of Linux servers The company wants to reduce storage costs for the application.
What should a solutions architect do to meet these requirements?

Question78: A company recently implemented hybrid cloud connectivity using AWS Direct Connect and is migrating data to Amazon S3. The company is looking for a fully managed solution that will automate and accelerate the replication of data between the on-premises storage systems and AWS storage services.
Which solution should a solutions architect recommend to keep the data private?

Question79: A solutions architect is designing the storage architecture tor a new web application used for storing and viewing engineering drawings All application components will be deployed on the AWS infrastructure.
The application design must support caching to minimize the amount of time that users wait for the engineering drawings to load The application must be able to store petabytes of data.
Which combination of storage and caching should the solutions architect use?

Question80: A solutions architect is designing a multi-Region disaster recovery solution (or an application that will provide public API access The application will use Amazon EC2 instances with a userdata script to load application code and an Amazon RDS for MySQL database The Recovery Time Objective (RTO) is 3 hours and the Recovery Point Objective (RPO) is 24 hours Which architecture would meet these requirements at the LOWEST cost/?