EMT Practice Test

1. Question Content...

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Question1: A SysOps administrator needs to give users the ability to upload objects to an Amazon S3 bucket. The SysOps administrator creates a presigned URL and provides the URL to a user, but the user cannot upload an object to the S3 bucket. The presigned URL has not expired, and no bucket policy is applied to the S3 bucket.
Which of the following could be the cause of this problem?

Question2: A company's reporting job that used to run in 15 minutes is now taking an hour to run. An application generates the reports. The application runs on Amazon EC2 instances and extracts data from an Amazon RDS for MySQL database.
A SysOps administrator checks the Amazon CloudWatch dashboard for the RDS instance and notices that the Read IOPS metrics are high, even when the reports are not running. The SysOps administrator needs to improve the performance and the availability of the RDS instance.
Which solution will meet these requirements?

Question3: A SysOps administrator is preparing to deploy an application to Amazon EC2 instances that are in an Auto Scaling group. The application requires dependencies to be installed. Application updates are Issued weekly.
The SysOps administrator needs to implement a solution to incorporate the application updates on a regular basis. The solution also must conduct a vulnerability scan during Amazon Machine Image (AMI) creation.
What is the MOST operationally efficient solution that meets these requirements?

Question4: You need to update an existing AWS CloudFormation stack. If needed, a copy to the CloudFormation template is available in an Amazon SB bucket named cloudformation-bucket
1. Use the us-east-2 Region for all resources.
2. Unless specified below, use the default configuration settings.
3. update the Amazon EQ instance named Devinstance by making the following changes to the stack named
1700182:
a) Change the EC2 instance type to us-east-t2.nano.
b) Allow SSH to connect to the EC2 instance from the IP address range
192.168.100.0/30.
c) Replace the instance profile IAM role with IamRoleB.
4. Deploy the changes by updating the stack using the CFServiceR01e role.
5. Edit the stack options to prevent accidental deletion.
6. Using the output from the stack, enter the value of the Prodlnstanceld in the text box below:

Question5: A SysOps administrator is responsible for a legacy. CPU-heavy application The application can only be scaled vertically Currently, the application is deployed on a single t2 large Amazon EC2 instance The system is showing 90% CPU usage and significant performance latency after a few minutes What change should be made to alleviate the performance problem?

Question6: A company stores files on 50 Amazon S3 buckets in the same AWS Region. The company wants to connect to the S3 buckets securely over a private connection from its Amazon EC2 instances. The company needs a solution that produces no additional cost.
Which solution will meet these requirements?

Question7: A company has an application that uses Amazon DynamoDB tables The tables are spread across AWS accounts and AWS Regions. The company uses AWS CloudFormation to deploy AWS resources.
A new team at the company is deleting unused AWS resources. The team accidentally deletes several production DynamoDB tables by running an AWS Lambda function that makes a DynamoDB DeleteTable API call. The table deletions cause an application outage A SysOps administrator must implement a solution that minimizes the chance of accidental deletions of tables.
The solution also must minimize data loss that results from accidental deletions.
Which combination of steps will meet these requirements? (Select TWO.)

Question8: An Amazon EC2 instance is running an application that uses Amazon Simple Queue Service (Amazon SQS} queues A SysOps administrator must ensure that the application can read, write, and delete messages from the SQS queues Which solution will meet these requirements in the MOST secure manner?

Question9: A company wants to apply an existing Amazon Route 53 private hosted zone to a new VPC to allow for customized resource name resolution within the VPC. The Syspps administrator created the VPC and added the appropriate resource record sets to the private hosted zone.
Which step should the SysOps administrator take to complete the setup?

Question10: A company manages its production applications across several AWS accounts. The company hosts the production applications on Amazon EC2 instances that run Amazon Linux 2. The EC2 instances are spread across multiple VPCs. Each VPC uses its own Amazon Route 53 private hosted zone for private DNS.
A VPC from Account A needs to resolve private DNS records from a private hosted zone that is associated with a different VPC in Account B.
What should a SysOps administrator do to meet these requirements?

Question11: A SysOps administrator must ensure that a company's Amazon EC2 instances auto scale as expected The SysOps administrator configures an Amazon EC2 Auto Scaling Lifecycle hook to send an event to Amazon EventBridge (Amazon CloudWatch Events), which then invokes an AWS Lambda function to configure the EC2 distances When the configuration is complete, the Lambda function calls the complete Lifecycle-action event to put the EC2 instances into service. In testing, the SysOps administrator discovers that the Lambda function is not invoked when the EC2 instances auto scale.
What should the SysOps administrator do to reserve this issue?

Question12: A company is expanding its fleet of Amazon EC2 instances before an expected increase of traffic. When a SysOps administrator attempts to add more instances, an InstanceLimitExceeded error is returned.
What should the SysOps administrator do to resolve this error?

Question13: A company has mandated the use of multi-factor authentication (MFA) for all IAM users, and requires users to make all API calls using the CLI. However. users are not prompted to enter MFA tokens, and are able to run CLI commands without MFA. In an attempt to enforce MFA, the company attached an IAM policy to all users that denies API calls that have not been authenticated with MFA.
What additional step must be taken to ensure that API calls are authenticated using MFA?

Question14: A SysOps administrator receives an alert from Amazon GuardDuty about suspicious network activity on an Amazon FC2 instance. The GuardDuty finding lists a new external IP address as a traffic destination. The SysOps administrator does not recognize the external IP address. The SysOps administrator must block traffic to the external IP address that GuardDuty identified Which solution will meet this requirement?

Question15: A company is running a website on Amazon EC2 instances behind an Application Load Balancer (ALB). The company configured an Amazon CloudFront distribution and set the ALB as the origin. The company created an Amazon Route 53 CNAME record to send all traffic through the CloudFront distribution. As an unintended side effect, mobile users are now being served the desktop version of the website.
Which action should a SysOps administrator take to resolve this issue?

Question16: A company's social media application has strict data residency requirements. The company wants to use Amazon Route 53 to provide the application with DNS services. A SysOps administrator must implement a solution that routes requests to a defined list of AWS Regions. The routing must be based on the user's location. Which solution will meet these requirements?

Question17: A SysOps administrator has Nocked public access to all company Amazon S3 buckets. The SysOps administrator wants to be notified when an S3 bucket becomes publicly readable in the future.
What is the MOST operationally efficient way to meet this requirement?

Question18: A company runs a web application on three Amazon EC2 instances behind an Application Load Balancer (ALB). The company notices that random periods of increased traffic cause a degradation in the application's performance. A SysOps administrator must scale the application to meet the increased traffic.
Which solution meets these requirements?

Question19: A company has multiple Amazon EC2 instances that run a resource-intensive application in a development environment. A SysOps administrator is implementing a solution to stop these EC2 instances when they are not in use.
Which solution will meet this requirement?

Question20: A development team recently deployed a new version of a web application to production. After the release penetration testing revealed a cross-site scripting vulnerability that could expose user data.
Which AWS service will mitigate this issue?

Question21: A SysOps administrator is configuring an application on Amazon EC2 instances for a company Teams in other countries will use the application over the internet. The company requires the application endpoint to have a static pubic IP address.
How should the SysOps administrator deploy the application to meet this requirement?

Question22: The security team is concerned because the number of AWS Identity and Access Management (IAM) policies being used in the environment is increasing. The team tasked a SysOps administrator to report on the current number of IAM policies in use and the total available IAM policies.
Which AWS service should the administrator use to check how current IAM policy usage compares to current service limits?

Question23: A company hosts a production MySQL database on an Amazon Aurora single-node DB cluster. The database is queried heavily for reporting purposes. The DB cluster is experiencing periods of performance degradation because of high CPU utilization and maximum connections errors. A SysOps administrator needs to improve the stability of the database.
Which solution will meet these requirements?

Question24: A company has an existing web application that runs on two Amazon EC2 instances behind an Application Load Balancer (ALB) across two Availability Zones The application uses an Amazon RDS Multi-AZ DB Instance Amazon Route 53 record sets route requests tor dynamic content to the load balancer and requests for static content to an Amazon S3 bucket Site visitors are reporting extremely long loading times.
Which actions should be taken to improve the performance of the website? (Select TWO )

Question25: A compliance learn requites all administrator passwords for Amazon RDS DB instances to be changed at least annually.
Which solution meets this requirement in the MOST operationally efficient manner?

Question26: A company is creating a new multi-account environment in AWS Organizations. The company will use AWS Control Tower to deploy the environment. Users must be able to create resources in approved AWS Regions only. The company must configure and govern all accounts by using a standard baseline configuration Which combination of steps will meet these requirements in the MOST operationally efficient way? (Select TWO.)

Question27: A company is managing a website with a global user base hosted on Amazon EC2 with an Application Load Balancer (ALB). To reduce the load on the web servers, a SysOps administrator configures an Amazon CloudFront distribution with the ALB as the origin. After a week of monitoring the solution, the administrator notices that requests are still being served by the ALB and there is no change in the web server load.
What are possible causes for this problem? (Choose two.)

Question28: A company is experiencing issues with legacy software running on Amazon EC2 instances. Errors occur when the total CPU utilization on the EC2 instances exceeds 80%. A short-term solution is required while the software is being rewritten. A SysOps administrator is tasked with creating a solution to restart the instances when the CPU utilization rises above 80%.
Which solution meets these requirements with the LEAST operational overhead?

Question29: A company is trying to connect two applications. One application runs in an on-premises data center that has a hostname of hostl .onprem.private. The other application runs on an Amazon EC2 instance that has a hostname of hostl.awscloud.private. An AWS Site-to-Site VPN connection is in place between the on-premises network and AWS.
The application that runs in the data center tries to connect to the application that runs on the EC2 instance, but DNS resolution fails. A SysOps administrator must implement DNS resolution between on-premises and AWS resources.
Which solution allows the on-premises application to resolve the EC2 instance hostname?

Question30: A company hosts a website on multiple Amazon EC2 instances that run in an Auto Scaling group. Users are reporting slow responses during peak times between
6 PM and 11 PM every weekend. A SysOps administrator must implement a solution to improve performance during these peak times.
What is the MOST operationally efficient solution that meets these requirements?

Question31: An AWS Lambda function is intermittently failing several times a day A SysOps administrator must find out how often this error has occurred in the last 7 days Which action will meet this requirement in the MOST operationally efficient manner?

Question32: A company wants to create an automated solution for all accounts managed by AWS Organizations to detect any worry groups that urn 0.0.0.0/0 as the source address for inbound traffic. The company also wants to automatically remediate any noncompliant security groups by restricting access to a specific CIDR block corresponds with the company's intranet.

Question33: A company uses AWS Organizations to manage multiple AWS accounts. The company's SysOps team has been using a manual process to create and manage 1AM roles. The team requires an automated solution to create and manage the necessary 1AM roles for multiple AWS accounts.
What is the MOST operationally efficient solution that meets these requirements?

Question34: A company is managing multiple AWS accounts in AWS Organizations The company is reviewing internal security of Its AWS environment The company's security administrator has their own AWS account and wants to review the VPC configuration of developer AWS accounts Which solution will meet these requirements in the MOST secure manner?

Question35: A software development company has multiple developers who work on the same product. Each developer must have their own development environment, and these development environments must be identical. Each development environment consists of Amazon EC2 instances and an Amazon RDS DB instance. The development environments should be created only when necessary, and they must be terminated each night to minimize costs.
What is the MOST operationally efficient solution that meets these requirements?

Question36: A company maintains a large set of sensitive data in an Amazon S3 bucket. The company's security team asks a SyeOps administrator to help verify that all current objects in the S3 bucket are encrypted.
What is the MOST operationally efficient solution that meets these requirements?

Question37: A SysOps administrator is using AWS Systems Manager Patch Manager to patch a fleet of Amazon EC2 instances. The SysOps administrator has configured a patch baseline and a maintenance window. The SysOps administrator also has used an instance tag to identify which instances to patch.
The SysOps administrator must give Systems Manager the ability to access the EC2 instances.
Which additional action must the SysOps administrator perform to meet this requirement?

Question38: A company uses an Amazon Simple Queue Service (Amazon SQS) standard queue with its application. The application sends messages to the queue with unique message bodies The company decides to switch to an SQS FIFO queue What must the company do to migrate to an SQS FIFO queue?

Question39: A company's web application is available through an Amazon CloudFront distribution and directly through an internet-facing Application Load Balancer (ALB) A SysOps administrator must make the application accessible only through the CloudFront distribution and not directly through the ALB. The SysOps administrator must make this change without changing the application code Which solution will meet these requirements?

Question40: A company needs to ensure strict adherence to a budget for 25 applications deployed on AWS Separate teams are responsible for storage compute, and database costs. A SysOps administrator must implement an automated solution to alert each team when their projected spend will exceed a quarterly amount mat has been set by the finance department. The solution cannot additional compute, storage, or database costs.

Question41: A web application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances run in an Auto Scaling group across multiple Availability Zones. A SysOpe administrator notices that some of these EC2 instances show up as heathy in the Auto Scaling g-out but show up as unhealthy in the ALB target group.
What is a possible reason for this issue?

Question42: A company wants to track its AWS costs in all member accounts that are part of an organization in AWS Organizations. Managers of the member accounts want to receive a notification when the estimated costs exceed a predetermined amount each month. The managers are unable to configure a billing alarm. The IAM permissions for all users are correct.
What could be the cause of this issue?

Question43: A company has a critical serverless application that uses multiple AWS Lambda functions. Each Lambda function generates 1 GB of log data daily in tts own Amazon CloudWatch Logs log group. The company's security team asks for a count of application errors, grouped by type, across all of the log groups.
What should a SysOps administrator do to meet this requirement?

Question44: A SysOps administrator needs to control access to groups of Amazon EC2 instances using AWS Systems Manager Session Manager. Specific tags on the EC2 instances have already been added.
Which additional actions should the administrator take to control access? (Choose two.)

Question45: A SysOps administrator receives notification that an application that is running on Amazon EC2 instances has failed to authenticate to an Amazon RDS database To troubleshoot, the SysOps administrator needs to investigate AWS Secrets Manager password rotation Which Amazon CloudWatch log will provide insight into the password rotation?

Question46: A Sysops administrator configured AWS Backup to capture snapshots from a single Amazon EC2 instance that has one Amazon Elastic Block Store (Amazon EBS) volume attached. On the first snapshot, the EBS volume has 10 GiB of data. On the second snapshot, the EBS volume still contains 10 GiB of data, but 4 GiB have changed. On the third snapshot, 2 GiB of data have been added to the volume, for a total of 12 GiB.
How much total storage is required to store these snapshots?

Question47: A SysOps Administrator runs a web application that is using a microservices approach whereby different responsibilities of the application have been divided in a separate microservice running on a different Amazon EC2 instance. The administrator has been tasked with reconfiguring the infrastructure to support this approach.
How can the administrator accomplish this with the LEAST administrative overhead?

Question48: A company's SysOps administrator has created an Amazon EC2 instance with custom software that will be used as a template for all new EC2 instances across multiple AWS accounts. The Amazon Elastic Block Store (Amazon EBS) volumes that are attached to the EC2 instance are encrypted with AWS managed keys.
The SysOps administrator creates an Amazon Machine Image (AMI) of the custom EC2 instance and plans to share the AMI with the company's other AWS accounts. The company requires that all AMIs are encrypted with AWS Key Management Service (AWS KMS) keys and that only authorized AWS accounts can access the shared AMIs.
Which solution will securely share the AMI with the other AWS accounts?

Question49: A company has a stateless application that runs on four Amazon EC2 instances. The application requires tour instances at all times to support all traffic. A SysOps administrator must design a highly available, fault-tolerant architecture that continually supports all traffic if one Availability Zone becomes unavailable.
Which configuration meets these requirements?

Question50: A software company runs a workload on Amazon EC2 instances behind an Application Load Balancer (ALB) A SysOcs administrator needs to define a custom health check for the EC2 instances. What is the MOST operationally efficient solution?

Question51: A SysOps administrator recently configured Amazon S3 Cross-Region Replication on an S3 bucket Which of the following does this feature replicate to the destination S3 bucket by default?

Question52: A company runs a worker process on three Amazon EC2 instances. The instances are in an Auto Scaling group that is configured to use a simple scaling policy. The instances process messages from an Amazon Simple Queue Service (Amazon SOS) queue.
Random periods of increased messages are causing a decrease in the performance of the worker process. A SysOps administrator must scale the instances to accommodate the increased number of messages.
Which solution will meet these requirements?

Question53: A company has an on-premises DNS solution and wants to resolve DNS records in an Amazon Route 53 private hosted zone for example.com. The company has set up an AWS Direct Connect connection for network connectivity between the on-premises network and the VPC. A SysOps administrator must ensure that an on-premises server can query records in the example.com domain.
What should the SysOps administrator do to meet these requirements?

Question54: A company is using an Amazon CloudWatch alarm lo monitor the FreeLocalStorage metric for an Amazon Aurora PostgreSQL production database The alarm goes into ALARM state and indicates that the database is running low on temporary storage. A SysOps administrator discovers that a weekly report is using most of the temporary storage that is currently allocated.
What should the SysOps administrator do to solve this problem?

Question55: A company is planning to host its stateful web-based applications on AWS A SysOps administrator is using an Auto Scaling group of Amazon EC2 instances The web applications will run 24 hours a day 7 days a week throughout the year The company must be able to change the instance type within the same instance family later in the year based on the traffic and usage patterns Which EC2 instance purchasing option will meet these requirements MOST cost-effectively?

Question56: A company is implementing a monitoring solution that is based on machine learning. The monitoring solution consumes Amazon EventBridge (Amazon CloudWatch Events) events that are generated by Amazon EC2 Auto Scaling. The monitoring solution provides detection of anomalous behavior such as unanticipated scaling events and is configured as an EventBridge (CloudWatch Events) API destination.
During initial testing, the company discovers that the monitoring solution is not receiving events. However, Amazon CloudWatch is showing that the EventBridge (CloudWatch Events) rule is being invoked. A SysOps administrator must implement a solution to retrieve client error details to help resolve this issue.
Which solution will meet these requirements with the LEAST operational effort?

Question57: A company migrated an I/O intensive application to an Amazon EC2 general purpose instance. The EC2 instance has a single General Purpose SSD Amazon Elastic Block Store (Amazon EBS) volume attached.
Application users report that certain actions that require intensive reading and writing to the disk are taking much longer than normal or are failing completely. After reviewing the performance metrics of the EBS volume, a SysOps administrator notices that the VolumeQueueLength metric is consistently high during the same times in which the users are reporting issues. The SysOps administrator needs to resolve this problem to restore full performance to the application.
Which action will meet these requirements?

Question58: A company has a web application with a database tier that consists of an Amazon EC2 instance that runs MySQL. A SysOps administrator needs to minimize potential data loss and the time that is required to recover in the event of a database failure.
What is the MOST operationally efficient solution that meets these requirements?

Question59: A company asks a SysOps administrator to ensure that AWS CloudTrail files are not tampered with after they are created. Currently, the company uses AWS Identity and Access Management (IAM) to restrict access to specific trails. The company's security team needs the ability to trace the integrity of each file.
What is the MOST operationally efficient solution that meets these requirements?

Question60: A SysOps administrator is setting up a fleet of Amazon EC2 instances in an Auto Scaling group for an application. The fleet should have 50% CPU available at that times to accommodate bursts of traffic. The load will increase significantly between the hours of 09:00 and 17:00,7 days a week How should the SysOps administrator configure the scaling of the EC2 instances to meet these requirements?

Question61: A company stores critical data m Amazon S3 buckets. A SysOps administrator must build a solution to record all S3 API activity. Which action will meet this requirement?

Question62: A company is migrating its production file server to AWS. All data that is stored on the file server must remain accessible if an Availability Zone becomes unavailable or when system maintenance is performed.
Users must be able to interact with the file server through the SMB protocol. Users also must have the ability to manage file permissions by using Windows ACLs.
Which solution will net these requirements?

Question63: A company uses Amazon Route 53 to manage the public DNS records for the domain example.com. The company deploys an Amazon CloudFront distribution to deliver static assets for a new corporate website. The company wants to create a subdomain that is named "static" and must route traffic for the subdomain to the CloudFront distribution.
How should a SysOps administrator create a new record for the subdomain in Route 53?

Question64: A SysOps administrator deployed a three-tier web application to a OA environment and is now evaluating the high availability of the application. The SysOps administrator notices that, when they simulate an unavailable Availability Zone, the application fails to respond. The application stores data in Amazon RDS and Amazon DynamoDB.
How should the SysOps administrator resolve this issue?

Question65: An Amazon S3 Inventory report reveals that more than 1 million objects in an S3 bucket are not encrypted These objects must be encrypted, and all future objects must be encrypted at the time they are written Which combination of actions should a SysOps administrator take to meet these requirements? (Select TWO )

Question66: A company uses AWS Organizations. A SysOps administrator wants to use AWS Compute Optimizer and AWS tag policies in the management account to govern all member accounts in the billing family. The SysOps administrator navigates to the AWS Organizations console but cannot activate tag policies through the management account.
What could be the reason for this issue?

Question67: A company is using an AWS KMS customer master key (CMK) with imported key material The company references the CMK by its alias in the Java application to encrypt data The CMK must be rotated every 6 months What is the process to rotate the key?

Question68: A company wants to track its expenditures for Amazon EC2 and Amazon RDS within AWS. The company decides to implement more rigorous tagging requirements for resources in its AWS accounts. A SysOps administrator needs to identify all noncompliant resources.
What is the MOST operationally efficient solution that meets these requirements?

Question69: A company is running production workloads that use a Multi-AZ deployment of an Amazon RDS for MySQL db.m6g.xlarge (general purpose) standard DB instance. Users report that they are frequently encountering a
"too many connections" error. A SysOps administrator observes that the number of connections on the database is high.
The SysOps administrator needs to resolve this issue while keeping code changes to a minimum.
Which solution will meet these requirements MOST cost-effectively?

Question70: A company has many accounts in an organization in AWS Organizations The company must automate resource provisioning from the organization's management account to the member accounts.
Which solution will meet this requirement?

Question71: A company is partnering with an external vendor to provide data processing services. For this integration, the vendor must host the company's data in an Amazon S3 bucket in the vendor's AWS account. The vendor is allowing the company to provide an AWS Key Management Service (AWS KMS) key to encrypt the company's data. The vendor has provided an IAM role Amazon Resource Name (ARN) to the company for this integration.
What should a SysOps administrator do to configure this integration?

Question72: A SysOps administrator uses AWS Systems Manager Session Manager to connect to instances After the SysOps administrator launches a new Amazon EC2 instance the EC2 instance does not appear in the Session Manager list of systems that are available for connection. The SysOps administrator verities that Systems Manager Agent is installed updated and running on the EC2 instance What is the reason for this issue?

Question73: A company wants to build a solution for its business-critical Amazon RDS for MySQL database. The database requires high availability across different geographic locations. A SysOps administrator must build a solution to handle a disaster recovery (DR) scenario with the lowest recovery time objective (RTO) and recovery point objective (RPO).
Which solution meets these requirements?

Question74: A company has a mobile app that uses Amazon S3 to store images The images are popular for a week, and then the number of access requests decreases over time The images must be highly available and must be immediately accessible upon request A SysOps administrator must reduce S3 storage costs for the company Which solution will meet these requirements MOST cost-effectively?

Question75: A SysOps administrator needs to create a report that shows how many bytes are sent to and received from each target group member for an Application Load Balancer (ALB).
Which combination of steps should the SysOps administrator take to meet these requirements? (Select TWO.)

Question76: A data storage company provides a service that gives users the ability to upload and download files as needed.
The files are stored in Amazon S3 Standard and must be immediately retrievable for 1 year. Users access files frequently during the first 30 days after the files are stored. Users rarely access files after 30 days.
The company's SysOps administrator must use S3 Lifecycle policies to implement a solution that maintains object availability and minimizes cost.
Which solution will meet these requirements?

Question77: A company's SysOps administrator must ensure that all Amazon EC2 Windows instances that are launched in an AWS account have a third-party agent installed. The third-party agent has an msi package. The company uses AWS Systems Manager for patching, and the Windows instances are tagged appropriately. The third-party agent required periodic updates as new versions are released. The SysOps administrator must deploy these updates automatically Which combination of steps will meet these requirements with the LEAST operational effort? (Seed TWO.) Create a Systems Manager Distributor package for the third-party agent.

Question78: A company is uploading important files as objects to Amazon S3 The company needs to be informed if an object is corrupted during the upload What should a SysOps administrator do to meet this requirement?

Question79: A SysOps administrator is reviewing AWS Trusted Advisor recommendations. The SysOps administrator notices that all the application servers for a finance application are listed in the Low Utilization Amazon EC2 Instances check. The application runs on three instances across three Availability Zones. The SysOps administrator must reduce the cost of running the application without affecting the application's availability or design.
Which solution will meet these requirements?

Question80: A company has an internal web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group in a single Availability Zone. A SysOps administrator must make the application highly available.
Which action should the SysOps administrator take to meet this requirement?

Question81: A SysOps administrator is responsible for managing a fleet of Amazon EC2 instances. These EC2 instances upload build artifacts to a third-party service. The third-party service recently implemented a strict IP allow list that requires all build uploads to come from a single IP address.
What change should the systems administrator make to the existing build fleet to comply with this new requirement?

Question82: A SysOps administrator needs to configure an Amazon S3 bucket to host a web application. The SysOps administrator has created the S3 bucket and has copied the static files for the web application to the S3 bucket.
The company has a policy that all S3 buckets must not be public.
What should the SysOps administrator do to meet these requirements?

Question83: A SysOps administrator Is troubleshooting an AWS Cloud Formation template whereby multiple Amazon EC2 instances are being created The template is working In us-east-1. but it is failing In us-west-2 with the error code:

How should the administrator ensure that the AWS Cloud Formation template is working in every region?

Question84: A SysOps administrator is deploying a test site running on Amazon EC2 instances. The application requires both incoming and outgoing connectivity to the internet.
Which combination of steps are required to provide internet connectivity to the EC2 instances? (Choose two.)

Question85: A company has a VPC with public and private subnets. An Amazon EC2 based application resides in the private subnets and needs to process raw .csv files stored in an Amazon S3 bucket. A SysOps administrator has set up the correct IAM role with the required permissions for the application to access the S3 bucket, but the application is unable to communicate with the S3 bucket.
Which action will solve this problem while adhering to least privilege access?

Question86: A company's AWS Lambda function is experiencing performance issues. The Lambda function performs many CPU-intensive operations. The Lambda function is not running fast enough and is creating bottlenecks in the system.
What should a SysOps administrator do to resolve this issue?

Question87: A SysOps administrator noticed that the cache hit ratio for an Amazon CloudFront distribution is less than
10%.
Which collection of configuration changes will increase the cache hit ratio for the distribution? (Select TWO.)

Question88: A company applies user-defined tags to resources that are associated with me company's AWS workloads Twenty days after applying the tags, the company notices that it cannot use re tags to filter views in the AWS Cost Explorer console.
What is the reason for this issue?

Question89: While setting up an AWS managed VPN connection, a SysOps administrator creates a customer gateway resource in AWS. The customer gateway device resides in a data center with a NAT gateway in front of it.
What address should be used to create the customer gateway resource?

Question90: A SysOps administrator applies the following policy to an AWS CloudFormation stack:

What is the result of this policy?

Question91: A gaming application is deployed on four Amazon EC2 instances in a default VPC. The SysOps administrator has noticed consistently high latency in responses as data is transferred among the four instances. There is no way for the administrator to alter the application code.
The MOST effective way to reduce latency is to relaunch the EC2 instances in:

Question92: A company is storing media content in an Amazon S3 bucket and uses Amazon CloudFront to distribute the content to its users. Due to licensing terms, the company is not authorized to distribute the content in some countries. A SysOps administrator must restrict access to certain countries.
What is the MOST operationally efficient solution that meets these requirements?

Question93: A company is using AWS Certificate Manager (ACM) to manage public SSL/TLS certificates. A SysOps administrator needs to send an email notification when a certificate has less than 14 days until expiration.
Which solution will meet this requirement with the LEAST operational overhead?

Question94: A company's SysOps administrator manages a fleet of hundreds of Amazon EC2 instances that run Windows-based workloads and Linux-based workloads. Each EC2 instance has a tag that identifies its operating system. All the EC2 instances run AWS Systems Manager Session Manager.
A zero-day vulnerability is reported, and no patches are available. The company's security team provides code for all the relevant operating systems to reduce the risk of the vulnerability. The SysOps administrator needs to implement the code on the EC2 instances and must provide a report that shows that the code has successfully run on all the instances.
What should the SysOps administrator do to meet these requirements as quickly as possible?

Question95: A company is running a development application on an Amazon EC2 instance. The application uploads
500.000 files that are 1 GB in size into a large! Amazon S3 bucket that has default encryption enabled The EC2 instance is in the same AWS Region where the S3 bucket is deployed.
The company uses performance logging that is built into the application software. The logs show that the application is constantly waiting for the files to be written to the S3 bucket. A SysOps administrator needs to improve the application's throughput performance. The SysOps administrator validates that the networking on the EC2 instance is not constrained.
What should the SysOps administrator do to improve the S3 upload performance''

Question96: A company uses AWS Organizations to manage multiple AWS accounts with consolidated billing enabled.
Organization member account owners want the benefits of Reserved Instances (RIs) but do not want to share RIs with other accounts.
Which solution will meet these requirements?

Question97: A SysOps administrator is creating an Amazon EC2 Auto Scaling group in a new AWS account. After adding some instances, the SysOps administrator notices that the group has not reached the minimum number of instances. The SysOps administrator receives the following error message:

Which action will resolve this issue?

Question98: A company runs an application on hundreds of Amazon EC2 instances in three Availability Zones The application calls a third-parly API over the public internet A SysOps administrator must provide the third party with a list of static IP addresses so that the third party can allow traffic from the application Which solution will meet these requirements?

Question99: A SysOps administrator must analyze Amazon CloudWatch logs across 10 AWS Lambda functions for historical errors. The logs are in JSON format and are stored in Amazon S3. Errors sometimes do not appear in the same field, but all errors begin with the same string prefix.
What is the MOST operationally efficient way for the SysOps administrator to analyze the log files?

Question100: A user is connected to an Amazon EC2 instance in a private subnet. The user is unable to access the internet from the instance by using the following curl command: curl http:/www.example.com.
A SysOps administrator reviews the VPC configuration and learns the following information:
* The private subnet has a route to a NAT gateway for CIDR 0.0.0.0/0
* The outbound security group for the EC2 instance contains one rule: outbound for port 443 to CIDR
0.0.0.0/0
* The inbound security group for the EC2 instance allows ports 22 and 443 from the user's IP address.
* The inbound network ACL for the subnet allows port 22 and port range 1024-65535 from CIDR 0.0.0.0/0 Which action will allow the user to complete the curl request successfully?

Question101: A company has a list of pre-appf oved Amazon Machine Images (AMIs) for developers lo use to launch Amazon EC2 instances However, developers are still launching EC2 instances from unapproved AMIs.
A SysOps administrator must implement a solution that automatically terminates any instances that are launched from unapproved AMIs.
Which solution will meet mis requirement?

Question102: A global company handles a large amount of personally identifiable information (Pll) through an internal web portal. The company's application runs in a corporate data center that is connected to AWS through an AWS Direct Connect connection. The application stores the Pll in Amazon S3. According to a compliance requirement, traffic from the web portal to Amazon S3 must not travel across the internet.
What should a SysOps administrator do to meet the compliance requirement?

Question103: A SysOps administrator is using Amazon EC2 instances to host an application. The SysOps administrator needs to grant permissions for the application to access an Amazon DynamoDB table.
Which solution will meet this requirement?

Question104: A SysOps administrator needs to delete an AWS CloudFormation stack that is no longer in use. The CloudFormation stack is in the DELETE_FAILED state. The SysOps administrator has validated the permissions that are required to delete the Cloud Formation stack.

Question105: A company wants to be alerted through email when IAM CreateUser API calls are made within its AWS account.
Which combination of actions should a SysOps administrator take to meet this requirement? (Choose two.)

Question106: A company is running Amazon RDS for PostgreSOL Multi-AZ DB clusters. The company uses an AWS Cloud Formation template to create the databases individually with a default size of 100 GB. The company creates the databases every Monday and deletes the databases every Friday.
Occasionally, the databases run low on disk space and initiate an Amazon CloudWatch alarm. A SysOps administrator must prevent the databases from running low on disk space in the future.
Which solution will meet these requirements with the FEWEST changes to the application?

Question107: A Sysops administrator creates an Amazon Elastic Kubernetes Service (Amazon EKS) cluster that uses AWS Fargate. The cluster is deployed successfully. The Sysops administrator needs to manage the cluster by using the kubect1 command line tool.
Which of the following must be configured on the Sysops administrator's machine so that kubect1 can communicate with the cluster API server?

Question108: A SysOps Administrator is managing a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances run in an EC2 Auto Scaling group. The administrator wants to set an alarm for when all target instances associated with the ALB are unhealthy.
Which condition should be used with the alarm?

Question109: A company with multiple AWS accounts needs to obtain recommendations for AWS Lambda functions and identify optimal resource configurations for each Lambda function. How should a SysOps administrator provide these recommendations?

Question110: A company has a high-performance Windows workload. The workload requires a storage volume mat provides consistent performance of 10.000 KDPS. The company does not want to pay for additional unneeded capacity to achieve this performance.
Which solution will meet these requirements with the LEAST cost?

Question111: An organization created an Amazon Elastic File System (Amazon EFS) volume with a file system ID of fs-85ba4Kc. and it is actively used by 10 Amazon EC2 hosts The organization has become concerned that the file system is not encrypted How can this be resolved?

Question112: A company runs hundreds of Amazon EC2 instances in a single AWS Region. Each EC2 instance has two attached 1 GiB General Purpose SSD (gp2) Amazon Elastic Block Store (Amazon EBS) volumes. A critical workload is using all the available IOPS capacity on the EBS volumes.
According to company policy, the company cannot change instance types or EBS volume types without completing lengthy acceptance tests to validate that the company's applications will function properly. A SysOps administrator needs to increase the I/O performance of the EBS volumes as quickly as possible.
Which action should the SysOps administrator take to meet these requirements?

Question113: A SysOps administrator manages the caching of an Amazon CloudFront distribution that serves pages of a website. The SysOps administrator needs to configure the distribution so that the TTL of individual pages can vary. The TTL of the individual pages must remain within the maximum TTL and the minimum TTL that are set for the distribution.
Which solution will meet these requirements?

Question114: A company's SysOps administrator needs to change the AWS Support plan for one of the company's AWS accounts. The account has multi-factor authentication (MFA) activated, and the MFA device is lost.
What should the SysOps administrator do to sign in?

Question115: A company is expanding its use of AWS services across its portfolios The company wants to provision AWS accounts for each team to ensure a separation of business processes for security compliance and billing Account creation and bootstrapping should be completed m a scalable and efficient way so new accounts are created with a defined baseline and governance guardrails in place A SysOps administrator needs to design a provisioning process that saves time and resources Which action should be taken to meet these requirements?

Question116: A company has two VPC networks named VPC A and VPC B. The VPC A CIDR block is 10.0.0.0/16 and the VPC B CIDR block is 172.31.0.0/16. The company wants to establish a VPC peering connection named pcx-12345 between both VPCs.
Which rules should appear in the route table of VPC A after configuration? (Select TWO.)

Question117: A company is expanding globally and needs to back up data on Amazon Elastic Block Store (Amazon EBS) volumes to a different AWS Region. Most of the EBS volumes that store the data are encrypted, but some of the EBS volumes are unencrypted. The company needs the backup data from all the EBS volumes to be encrypted.
Which solution will meet these requirements with the LEAST management overhead?

Question118: A company has an application that is deployed 10 two AWS Regions in an active-passive configuration. The application runs on Amazon EC2 instances behind an Application Load Balancer (ALB) in each Region. The instances are in an Amazon EC2 Auto Scaling group in each Region. The application uses an Amazon Route
53 hosted zone (or DNS. A SysOps administrator needs to configure automatic failover to the secondary Region.
What should the SysOps administrator do to meet these requirements?

Question119: A company's architeclure team must receive immediate email notification whenever new Amazon EC2 Instances are launched In the company's main AWS production account What should a SysOps administrator do to meet this requirement?

Question120: A company runs its entire suite of applications on Amazon EC2 instances. The company plans to move the applications to containers and AWS Fargate. Within 6 months, the company plans to retire its EC2 instances and use only Fargate. The company has been able to estimate its future Fargate costs.
A SysOps administrator needs to choose a purchasing option to help the company minimize costs. The SysOps administrator must maximize any discounts that are available and must ensure that there are no unused reservations.
Which purchasing option will meet these requirements?

Question121: A database is running on an Amazon RDS Mufti-AZ DB instance. A recent security audit found the database to be out of compliance because it was not encrypted. Which approach will resolve the encryption requirement?

Question122: A SysOps administrator needs to secure the credentials for an Amazon RDS database that is created by an AWS CloudFormation template. The solution must encrypt the credentials and must support automatic rotation.
Which solution will meet these requirements?

Question123: A company website contains a web tier and a database tier on AWS. The web tier consists of Amazon EC2 instances that run in an Auto Scaling group across two Availability Zones. The database tier runs on an Amazon ROS for MySQL Multi-AZ DB instance. The database subnet network ACLs are restricted to only the web subnets that need access to the database. The web subnets use the default network ACL with the default rules.
The company's operations team has added a third subnet to the Auto Scaling group configuration. After an Auto Scaling event occurs, some users report that they intermittently receive an error message. The error message states that the server cannot connect to the database. The operations team has confirmed that the route tables are correct and that the required ports are open on all security groups.
Which combination of actions should a SysOps administrator take so that the web servers can communicate with the DB instance? (Select TWO.)

Question124: A company manages a set of accounts on AWS by using AWS Organizations. The company's security team wants to use a native AWS service to regularly scan all AWS accounts against the Center for Internet Security (CIS) AWS Foundations Benchmark.
What is the MOST operationally efficient way to meet these requirements?

Question125: A company needs to archive all audit logs for 10 years. The company must protect the logs from any future edits.
Which solution will meet these requirements?

Question126: A SysOps administrator is re-architecting an application. The SysOps administrator has moved the database from a public subnet, where the database used a public endpoint. into a private subnet to restrict access from the public network. After this change, an AWS Lambda function that requires read access to the database cannot connect to the database. The SysOps administrator must resolve this issue without compromising security.
Which solution meets these requirements?

Question127: A company uses AWS CloudFormation to manage a stack of Amazon EC2 instances on AWS. A SysOps administrator needs to keep the instances and all of the instances' data, even if someone deletes the stack.
Which solution will meet these requirements?

Question128: A company is using an Amazon EC2 Auto Scaling group to support a workload A Sytfhe company now needs to centruito Scaling group is configured with two similar scaling policies dP) to centrally manage access to One scaling policy adds 5 instances when CPU utilization reaches 80%. The other sctrator can connect to the extemahen CPU utilization leaches 80%.
What will happen when CPU utilization reaches the 80% threshold?

Question129: A company is undergoing an external audit of its systems, which run wholly on AWS. A SysOps administrator must supply documentation of Payment Card Industry Data Security Standard (PCI DSS) compliance for the infrastructure managed by AWS.
Which set of action should the SysOps administrator take to meet this requirement?

Question130: A SysOos administrator s tasked with analyzing database performance. The database runs on a single Amazon RDS D6 instance. The SysOps administrator finds that, during times of peak traffic, resources on the database are over utilized due to the amount of read traffic.
Which actions should the SysOps administrator take to improve RDS performance? (Select TWO.)

Question131: A company has an Auto Scaling group of Amazon EC2 instances that scale based on average CPU utilization.
The Auto Scaling group events log indicates an InsufficientlnstanceCapacity error.
Which actions should a SysOps administrator take to remediate this issue? (Select TWO.

Question132: A company is supposed to receive a data file every hour in an Amazon S3 bucket. An S3 event notification invokes an AWS Lambda function each time a file arrives. The function processes the data for use by an application.
The application team notices that sometimes the file does not arrive. The application team wants to receive a notification whenever the file does not arrive.
What is the MOST operationally efficient solution that meets these requirements?

Question133: A SysOps administrator is required to monitor free space on Amazon EBS volumes attached to Microsoft Windows-based Amazon EC2 instances within a company's account. The administrator must be alerted to potential issues.
What should the administrator do to receive email alerts before low storage space affects EC2 instance performance?

Question134: A SysOps administrator trust manage the security of An AWS account Recently an IAM users access key was mistakenly uploaded to a public code repository. The SysOps administrator must identity anything that was changed by using this access key.

Question135: A SysOps administrator creates two VPCs, VPC1 and VPC2, in a company's AWS account The SysOps administrator deploys a Linux Amazon EC2 instance in VPC1 and deploys an Amazon RDS for MySQL DB instance in VPC2. The DB instance is deployed in a private subnet. An application that runs on the EC2 instance needs to connect to the database.
What should the SysOps administrator do to give the EC2 instance the ability to connect to the database?

Question136: A company has launched a social media website that gives users the ability to upload images directly to a centralized Amazon S3 bucket. The website is popular in areas that are geographically distant from the AWS Region where the S3 bucket is located. Users are reporting that uploads are slow. A SysOps administrator must improve the upload speed.
What should the SysOps administrator do to meet these requirements?

Question137: A SysOps administrator needs to configure a solution that will deliver digital content to a set of authorized users through Amazon CloudFront. Unauthorized users must be restricted from access.
Which solution will meet these requirements?

Question138: A team of developers is using several Amazon S3 buckets as centralized repositories. Users across the world upload large sets of files to these repositories. The development team's applications later process these files.
A SysOps administrator sets up a new S3 bucket. DOC-EXAMPLE-BUCKET, to support a new workload.
The new S3 bucket also receives regular uploads of large sets of files from users worldwide. When the new S3 bucket is put into production, the upload performance from certain geographic areas is lower than the upload performance that the existing S3 buckets provide.
What should the SysOps administrator do to remediate this issue?

Question139: A company runs an application on Amazon EC2 instances. The EC2 instances are in an Auto Scaling group and run behind an Application Load Balancer (ALB). The application experiences errors when total requests exceed 100 requests per second. A SysOps administrator must collect information about total requests for a
2-week period to determine when requests exceeded this threshold.
What should the SysOps administrator do to collect this data?

Question140: A company stores its data in an Amazon S3 bucket. The company is required to classify the data and find any sensitive personal information in its S3 files.
Which solution will meet these requirements?

Question141: A company has developed a service that is deployed on a fleet of Linux-based Amazon EC2 instances that are in an Auto Scaling group. The service occasionally fails unexpectedly because of an error in the application code. The company's engineering team determines that resolving the underlying cause of the service failure could take several weeks.
A SysOps administrator needs to create a solution to automate recovery if the service crashes on any of the EC2 instances.
Which solutions will meet this requirement? (Select TWO.)

Question142: A SysOps administrator is designing a solution for an Amazon RDS for PostgreSQL DB instance. Database credentials must be stored and rotated monthly. The applications that connect to the DB instance send write-intensive traffic with variable client connections that sometimes increase significantly in a short period of time.
Which solution should a SysOps administrator choose to meet these requirements?

Question143: A company hosts a database on an Amazon RDS Multi-AZ DB instance. The database is not encrypted. The company's new security policy requires all AWS resources to be encrypted at rest and in transit.
What should a SysOps administrator do to encrypt the database?

Question144: A company needs to automatically monitor an AWS account for potential unauthorized AWS Management Console logins from multiple geographic locations.
Which solution will meet this requirement?

Question145: A SysOps administrator must create a solution that immediately notifies software developers if an AWS Lambda function experiences an error.
Which solution will meet this requirement?

Question146: A company must ensure that any objects uploaded to an S3 bucket are encrypted.
Which of the following actions will meet this requirement? (Choose two.)

Question147: A company wants to prohibit its developers from using a particular family of Amazon EC2 instances The company uses AWS Organizations and wants to apply the restriction across multiple accounts What is the MOST operationally efficient way for the company lo apply service control policies (SCPs) to meet these requirements?

Question148: A company has an internal web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group in a single Availability Zone. A SysOps administrator must make the application highly available.
Which action should the SysOps administrator take to meet this requirement?

Question149: A SysOps administrator needs to design a high-traffic static website. The website must be highly available and must provide the lowest possible latency to users across the globe.
Which solution will meet these requirements?

Question150: A SysOps administrator manages policies for many AWS member accounts in an AWS Organizations structure. Administrators on other teams have access to the account root user credentials of the member accounts. The SysOps administrator must prevent all teams, including their administrators, from using Amazon DynamoDB. The solution must not affect the ability of the teams to access other AWS services.
Which solution will meet these requirements?

Question151: A SysOps administrator needs to update an AWS accoun1 name What should the SysOps administrator do to accomplish this goal?

Question152: A company decides to stop non-production Amazon EC2 instances during the EC2 instances. The company's IT manager must receive notification in near real time whenever an EC2 instance that has an environment type tag value of non-production is started during the night.
Which solution will meet this requirement with the MOST operational efficiency?

Question153: A company runs several workloads on AWS. The company identifies five AWS Trusted Advisor service quota metrics to monitor in a specific AWS Region. The company wants to receive email notification each time resource usage exceeds 60% of one of the service quotas.
Which solution will meet these requirements?

Question154: A Sysops administrator launches an Amazon EC2 instance from a Windows Amazon Machine Image (AMI).
The EC2 instance includes additional Amazon Elastic Block Store (Amazon EBS) volumes. When the instance is launched, none of the additional Amazon Elastic Block Store (Amazon EBS) volumes are initialized and ready for use through a drive letter. The SysOps administrator needs to automate the EBS volume initialization.
Which solution will meet these requirements in the MOST operationally efficient way?

Question155: A company's SysOps administrator attempts to restore an Amazon Elastic Block Store (Amazon EBS) snapshot. However, the snapshot is missing because another system administrator accidentally deleted the snapshot. The company needs the ability to recover snapshots for a specified period of time after snapshots are deleted.
Which solution will provide this functionality?

Question156: A company is deploying an ecommerce application to an AWS Region that is located in France. The company wants users from only France to be able to access the first version of the application. The company plans to add more countries for the next version of the application. A SysOps administrator needs to configure the routing policy in Amazon Route 53.
Which solution will meet these requirements?

Question157: While setting up an AWS managed VPN connection, a SysOps administrator creates a customer gateway resource in AWS The customer gateway device resides in a data center with a NAT gateway in front of it What address should be used to create the customer gateway resource?

Question158: A SysOps administrator is setting up an automated process to recover an Amazon EC2 instance In the event of an underlying hardware failure. The recovered instance must have the same private IP address and the same Elastic IP address that the original instance had. The SysOps team must receive an email notification when the recovery process is initiated.
Which solution will meet these requirements?

Question159: A company plans to launch a static website on its domain example com and subdomain www example.com using Amazon S3. How should the SysOps administrator meet this requirement?

Question160: A company receives an alert from an Amazon CloudWatch alarm The alarm indicates that a web application that Is running on Amazon EC2 instances is not responding to requests The EC2 instances have a Red Hat Enterprise Linux operating system and are in an Auto Scaling group. The Auto Scaling group has a minimum capacity of 2 and a maximum capacity of 5.
An Investigation reveals that the web application is experiencing oul-of-memory errors. The company adds memory lo the web application and wants to track operating system memory utilization. A CloudWatch memory metric does not currently exist tor the EC2 Instances in the Auto Scaling group What should a SysOps administrator do to provide a CloudWatch memory metric for the EC2 instances?

Question161: A company hosts an internal application on Amazon EC2 On-Demand Instances behind an Application Load Balancer (ALB). The instances are in an Amazon EC2 Auto Scaling group. Employees use the application to provide product prices to potential customers. The Auto Scaling group is configured with a dynamic scaling policy and tracks average CPU utilization of the instances.
Employees have noticed that sometimes the application becomes slow or unresponsive. A SysOps administrator finds that some instances are experiencing a high CPU load. The Auto Scaling group cannot scale out because the company is reaching the EC2 instance service quota.
The SysOps administrator needs to implement a solution that provides a notification when the company reaches 70% or more of thte EC2 instance service quota.
Which solution will meet these requirements in the MOST operationally efficient manner?

Question162: A company hosts its website in the us-east-1 Region. The company is preparing to deploy its website into the eu-central-1 Region. Website visitors who are located in Europe should access the website that is hosted in eu-central-1. All other visitors access the website that is hosted in us-east-1. The company uses Amazon Route
53 to manage the website's DNS records.
Which routing policy should a SysOps administrator apply to the Route 53 record set to meet these requirements?

Question163: A company runs an application on an Amazon EC2 instance A SysOps administrator creates an Auto Scaling group and an Application Load Balancer (ALB) to handle an increase in demand However, the EC2 instances are failing tie health check.
What should the SysOps administrator do to troubleshoot this issue?

Question164: A company runs a web application on three Amazon EC2 instances behind an Application Load Balancer (ALB). The company notices that random periods of increased traffic cause a degradation in the application's performance. A SysOps administrator must scale the application to meet the increased traffic.
Which solution meets these requirements?

Question165: A SysOps administrator is troubleshooting connection timeouts to an Amazon EC2 instance that has a public IP address. The instance has a private IP address of 172.31.16.139. When the SysOps administrator tries to ping the instance's public IP address from the remote IP address 203.0.113.12, the response is "request timed out." The flow logs contain the following information:
What is one cause of the problem?

Question166: A company hosts an online shopping portal in the AWS Cloud. The portal provides HTTPS security by using a TLS certificate on an Elastic Load Balancer (ELB). Recently, the portal suffered an outage because the TLS certificate expired. A SysOps administrator must create a solution to automatically renew certificates to avoid this issue in the future.
What is the MOST operationally efficient solution that meets these requirements?

Question167: A company has several business units that want to use Amazon EC2. The company wants to require all business units to provision their EC2 instances by using only approved EC2 instance configurations.
What should a SysOps administrator do to implement this requirement?

Question168: A SysOps administrator is notified that an Amazon EC2 instance has stopped responding The AWS Management Console indicates that the system status checks are failing What should the administrator do first to resolve this issue?

Question169: A company's security policy states that connecting to Amazon EC2 instances is not permitted through SSH and RDP. If access is required, authorized staff can connect to instances by using AWS Systems Manager Session Manager.
Users report that they are unable to connect to one specific Amazon EC2 instance that is running Ubuntu and has AWS Systems Manager Agent (SSM Agent) pre-installed These users are able to use Session Manager to connect to other instances in the same subnet, and they are in an 1AM group that has Session Manager permission for all instances.
What should a SysOps administrator do to resolve this issue?

Question170: A company has a compliance requirement that no security groups can allow SSH ports to be open to all IP addresses. A SysOps administrator must implement a solution that will notify the company's SysOps team when a security group rule violates this requirement. The solution also must remediate the security group rule automatically.
Which solution will meet these requirements?

Question171: A SysOps administrator needs to design a disaster recovery (DR) plan for an application on AWS. The application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances are in an Auto Scaling group. The application uses an Amazon Aurora PostgreSQL database. The recovery time objective (RTO) and recovery point objective (RPO) are 15 minutes each.
Which combination of steps should the SysOps administrator take to meet these requirements MOST cost-effectively? (Select TWO.)

Question172: A company wants to monitor the security groups of its Amazon EC2 instances to ensure that SSH is not open to the public. If the port is opened, the company needs to close the port as soon as possible.
Which combination of actions should a SysOps administrator take to meet these requirements? (Select TWO.)

Question173: A SysOps administrator needs to implement a backup strategy for Amazon EC2 resources and Amazon RDS resources. The backup strategy must meet the following retention requirements:
* Daily backups: must be kept for 6 days
* Weekly backups: must be kept for 4 weeks:
* Monthly backups: must be kept for 11 months
* Yearly backups: must be kept for 7 years
Which backup strategy will meet these requirements with the LEAST administrative effort?

Question174: A company wants to store sensitive financial data within Amazon S3 buckets. The company has a corporate policy that does not allow public read or write access to the buckets. A SysOps administrator must create a solution to automatically remove S3 permissions that allow public read or write access.
Which AWS service should the SysOps administrator use to meet these requirements in the MOST operationally efficient manner?

Question175: An ecommerce company uses an Amazon ElastiCache for Memcached cluster for in-memory caching of popular product queries on the shopping site. When viewing recent Amazon CloudWatch metrics data for the ElastiCache cluster, the SysOps administrator notices a large number of evictions.
Which of the following actions will reduce these evictions? (Choose two.)

Question176: A company plans to migrate several of its high performance computing (MPC) virtual machines (VMs) to Amazon EC2 instances on AWS. A SysOps administrator must identify a placement group for this deployment. The strategy must minimize network latency and must maximize network throughput between the HPC VMs.
Which strategy should the SysOps administrator choose to meet these requirements?

Question177: A company has an AWS Site-to-Site VPN connection between on-premises resources and resources that are hosted in a VPC. A SysOps administrator launches an Amazon EC2 instance that has only a private IP address into a private subnet in the VPC. The EC2 instance runs Microsoft Windows Server.
A security group for the EC2 instance has rules that allow inbound traffic from the on-premises network over the VPN connection. The on-premises environment contains a third-party network firewall. Rules in the third-party network firewall allow Remote Desktop Protocol (RDP) traffic to flow between the on-premises users over the VPN connection.
The on-premises users are unable to connect to the EC2 instance and receive a timeout error.
What should the SysOps administrator do to troubleshoot this issue?

Question178: A company deploys a new application on three Amazon EC2 instances across three Availability Zones The company uses a Network Load Balancer (NLB) to route traffic lo the EC2 instances. A SysOps administrator must implement a solution so that the EC2 instances allow traffic from only the NLB.
What should the SysOps administrator do to meet these requirements with the LEAST operational overhead?

Question179: A company uses an Amazon Elastic File System (Amazon EFS) file system to share files across many Linux Amazon EC2 instances. A SysOps administrator notices that the file system's PercentIOLimit metric is consistently at 100% for 15 minutes or longer. The SysOps administrator also notices that the application that reads and writes to that file system is performing poorly. They application requires high throughput and IOPS while accessing the file system.
What should the SysOps administrator do to remediate the consistently high PercentIOLimit metric?

Question180: A SysOps administrator has enabled AWS CloudTrail in an AWS account If CloudTrail is disabled it must be re-enabled immediately What should the SysOps administrator do to meet these requirements WITHOUT writing custom code''

Question181: A company's SysOps administrator deploys four new Amazon EC2 instances by using the standard Amazon Linux 2 Amazon Machine Image (AMI). The company needs to be able to use AWS Systems Manager to manage the instances The SysOps administrator notices that the instances do not appear in the Systems Manager console What must the SysOps administrator do to resolve this issue?

Question182: A SysOps administrator is helping a development team deploy an application to AWS Trie AWS CloudFormat on temp ate includes an Amazon Linux EC2 Instance an Amazon Aurora DB cluster and a hard coded database password that must be rotated every 90 days What is the MOST secure way to manage the database password?

Question183: A company's public website is hosted in an Amazon S3 bucket in the us-east-1 Region behind an Amazon CloudFront distribution. The company wants to ensure that the website is protected from DDoS attacks. A SysOps administrator needs to deploy a solution that gives the company the ability to maintain control over the rate limit at which DDoS protections are applied.
Which solution will meet these requirements?

Question184: A company currently runs its infrastructure within a VPC in a single Availability Zone The VPC is connected to the company's on-premises data center through an AWS Site-to-SIte VPN connection attached to a virtual pnvate gateway. The on-premises route tables route all VPC networks to the VPN connection Communication between the two environments is working correctly. A SysOps administrator created new VPC subnets within a new Availability Zone, and deployed new resources within the subnets. However, communication cannot be established between the new resources and the on-premises environment.
Which steps should the SysOps administrator take to resolve the issue?

Question185: A company has a policy that requires all Amazon EC2 instances to have a specific set of tags. If an EC2 instance does not have the required tags, the noncompliant instance should be terminated.
What is the MOST operationally efficient solution that meets these requirements?

Question186: A SysOps administrator must configure a resilient tier of Amazon EC2 instances for a high performance computing (HPC) application. The HPC application requires minimum latency between nodes Which actions should the SysOps administrator take to meet these requirements? (Select TWO.)

Question187: A SysOps administrator is optimizing the cost of a workload. The workload is running in multiple AWS Regions and is using AWS Lambda with Amazon EC2 On-Demand Instances for the compute. The overall usage is predictable. The amount of compute that is consumed in each Region varies, depending on the users' locations.
Which approach should the SysOps administrator use to optimize this workload?

Question188: A company recently its server infrastructure to Amazon EC2 instances. The company wants to use Amazon CloudWatch metrics to track instance memory utilization and available disk space.
What should a SysOps administrator do to meet these requirements?

Question189: A company manages an application that uses Amazon ElastiCache for Redis with two extra-large nodes spread across two different Availability Zones. The company's IT team discovers that the ElastiCache for Redis cluster has 75% freeable memory. The application must maintain high availability.
What is the MOST cost-effective way to resize the cluster?

Question190: An application runs on Amazon EC2 instances in an Auto Scaling group. Following the deployment of a new feature on the EC2 instances, some instances were marked as unhealthy and then replaced by the Auto Scaling group. The EC2 instances terminated before a SysOps administrator could determine the cause of the health status changes. To troubleshoot this issue, the SysOps administrator wants to ensure that an AWS Lambda function is invoked in this situation.
How should the SysOps administrator meet these requirements?

Question191: A company uses AWS Organizations to host several applications across multiple AWS accounts. Several teams are responsible for building and maintaining the infrastructure of the applications across the AWS accounts.
A SysOps administrator must implement a solution to ensure that user accounts and permissions are centrally managed. The solution must be integrated with the company's existing on-premises Active Directory environment. The SysOps administrator already has enabled AWS 1AM Identity Center (AWS Single Sign-On) and has set up an AWS Direct Connect connection.
What is the MOST operationally efficient solution that meets these requirements?

Question192: A company hosts an application on an Amazon EC2 instance in a single AWS Region. The application requires support for non-HTTP TCP traffic and HTTP traffic.
The company wants to deliver content with low latency by leveraging the AWS network. The company also wants to implement an Auto Scaling group with an Elastic Load Balancer.
How should a SysOps administrator meet these requirements?

Question193: A company migrates a write-once, read-many (WORM) drive to an Amazon S3 bucket that has S3 Object Lock configured in governance mode. During the migration, the company copies unneeded data to the S3 bucket.
A SysOps administrator attempts to delete the unneeded data from the S3 bucket by using the AWS CLI.
However, the SysOps administrator receives an error.
Which combination of steps should the SysOps administrator take to successfully delete the unneeded data?
(Select TWO.)

Question194: A SysOps administrator is examining the following AWS CloudFormation template:

Why will the stack creation fail?