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DOP-C02 Exam Dumps - Amazon Web Services AWS Certified Professional Questions and Answers

Question # 44

A company frequently creates Docker images of an application. The company stores the images in Amazon Elastic Container Registry (Amazon ECR) . The company creates both tagged images and untagged images.

The company wants to implement a solution to automatically delete images that have not been updated for a long time and are not frequently used. The solution must retain at least a specified number of images.

Which solution will meet these requirements with the LEAST operational overhead ?

Options:

A.

Use Amazon S3 Lifecycle policies on the ECR repository to automatically delete images based on image age or the absence of tags on the image.

B.

Use Amazon ECR lifecycle policies to delete images based on age or the number of images that need to be retained in the repository.

C.

Configure an AWS Lambda function to run on a schedule to delete images based on age or the number of images that need to be retained in the repository.

D.

Use AWS Systems Manager to run a script by using the aws:executeScript action to automatically delete images based on image age or the absence of tags on the image.

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Question # 45

A developer is maintaining a fleet of 50 Amazon EC2 Linux servers. The servers are part of an Amazon EC2 Auto Scaling group, and also use Elastic Load Balancing for load balancing.

Occasionally, some application servers are being terminated after failing ELB HTTP health checks. The developer would like to perform a root cause analysis on the issue, but before being able to access application logs, the server is terminated.

How can log collection be automated?

Options:

A.

Use Auto Scaling lifecycle hooks to put instances in a Pending:Wait state. Create an Amazon CloudWatch alarm for EC2 Instance Terminate Successful and trigger an AWS Lambda function that invokes an SSM Run Command script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.

B.

Use Auto Scaling lifecycle hooks to put instances in a Terminating:Wait state. Create an AWS Config rule for EC2 Instance-terminate Lifecycle Action and trigger a step function that invokes a script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.

C.

Use Auto Scaling lifecycle hooks to put instances in a Terminating:Wait state. Create an Amazon CloudWatch subscription filter for EC2 Instance Terminate Successful and trigger a CloudWatch agent that invokes a script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.

D.

Use Auto Scaling lifecycle hooks to put instances in a Terminating:Wait state. Create an Amazon EventBridge rule for EC2 Instance-terminate Lifecycle Action and trigger an AWS Lambda function that invokes an SSM Run Command script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.

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Question # 46

A DevOps learn has created a Custom Lambda rule in AWS Config. The rule monitors Amazon Elastic Container Repository (Amazon ECR) policy statements for ecr: ' actions. When a noncompliant repository is detected, Amazon EventBridge uses Amazon Simple Notification Service (Amazon SNS) to route the notification to a security team.

When the custom AWS Config rule is evaluated, the AWS Lambda function fails to run.

Which solution will resolve the issue?

Options:

A.

Modify the Lambda function ' s resource policy to grant AWS Config permission to invoke the function.

B.

Modify the SNS topic policy to include configuration changes for EventBridge to publish to the SNS topic.

C.

Modify the Lambda function ' s execution role to include configuration changes for custom AWS Config rules.

D.

Modify all the ECR repository policies to grant AWS Config access to the necessary ECR API actions.

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Question # 47

A company is migrating an application to Amazon Elastic Container Service (Amazon ECS). The company wants to consolidate log data in Amazon CloudWatch in the us-west-2 Region. No CloudWatch log groups currently exist for Amazon ECS.

The company receives the following error code when an ECS task attempts to launch:

“service my-service-name was unable to place a task because no container instance met all of its requirements.”

The ECS task definition includes the following container log configuration:

" logConfiguration " : {

" logDriver " : " awslogs " ,

" options " : {

" awslogs-create-group " : " true " ,

" awslogs-group " : " awslogs-mytask " ,

" awslogs-region " : " us-west-2 " ,

" awslogs-stream-prefix " : " awslogs-mytask " ,

" mode " : " non-blocking " ,

" max-buffer-size " : " 25m "

}

}

The ECS cluster uses an Amazon EC2 Auto Scaling group to provide capacity for tasks. EC2 instances launch an Amazon ECS-optimized AMI.

Which solution will fix the problem?

Options:

A.

Modify the ECS infrastructure IAM role to add the logs:CreateLogStream and logs:PutLogEvents permissions.

B.

Modify the ECS log configuration to use blocking mode.

C.

Modify the ECS container instance IAM role to add the logs:CreateLogStream and logs:PutLogEvents permissions.

D.

Modify the ECS log configuration by setting the awslogs-create-group option to false.

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Question # 48

A large enterprise is deploying a web application on AWS. The application runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. The application stores data in an Amazon RDS for Oracle DB instance and Amazon DynamoDB. There are separate environments tor development testing and production.

What is the MOST secure and flexible way to obtain password credentials during deployment?

Options:

A.

Retrieve an access key from an AWS Systems Manager securestring parameter to access AWS services. Retrieve the database credentials from a Systems Manager SecureString parameter.

B.

Launch the EC2 instances with an EC2 1AM role to access AWS services Retrieve the database credentials from AWS Secrets Manager.

C.

Retrieve an access key from an AWS Systems Manager plaintext parameter to access AWS services. Retrieve the database credentials from a Systems Manager SecureString parameter.

D.

Launch the EC2 instances with an EC2 1AM role to access AWS services Store the database passwords in an encrypted config file with the application artifacts.

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Question # 49

A DevOps engineer used an AWS CloudFormation custom resource to set up AD Connector. The AWS Lambda function ran and created AD Connector, but CloudFormation is not transitioning from CREATE_IN_PROGRESS to CREATE_COMPLETE. Which action should the engineer take to resolve this issue?

Options:

A.

Ensure the Lambda function code has exited successfully.

B.

Ensure the Lambda function code returns a response to the pre-signed URL.

C.

Ensure the Lambda function IAM role has cloudformation:UpdateStack permissions for the stack ARN.

D.

Ensure the Lambda function IAM role has ds:ConnectDirectory permissions for the AWS account.

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Question # 50

A company runs an application for multiple environments in a single AWS account. An AWS CodePipeline pipeline uses a development Amazon Elastic Container Service (Amazon ECS) cluster to test an image from an Amazon Elastic Container Registry (Amazon ECR) repository. The pipeline promotes the image to a production ECS cluster.

The company needs to move the production cluster into a separate AWS account in the same AWS Region. The production cluster must be able to download the images over a private connection.

Which solution will meet these requirements?

Options:

A.

Use Amazon ECR VPC endpoints and an Amazon S3 gateway endpoint. In the separate AWS account, create an ECR repository. Set the repository policy to allow the production ECS tasks to pull images from the main AWS account. Configure the production ECS task execution role to have permission to download the image from the ECR repository.

B.

Set a policy on the production ECR repository in the main AWS account. Configure the repository policy to allow the production ECS tasks in the separate AWS account to pull images from the main account. Configure the production ECS task execution role to have permission to download the image from the ECR repository.

C.

Configure ECR private image replication in the main AWS account. Activate cross-account replication. Define the destination account ID of the separate AWS account.

D.

Use Amazon ECR VPC endpoints and an Amazon S3 gateway endpoint. Set a repository policy on the ECR repository in the main AWS account. Configure the repository policy to allow the production ECS tasks in the separate AWS account to pull images from the main account. Configure the production ECS task execution role to have permission to download the image from the ECR repository.

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Question # 51

A company uses an organization in AWS Organizations to manage its AWS accounts. The company ' s automation account contains a CI/CD pipeline that creates and configures new AWS accounts.

The company has a group of internal service teams that provide services to accounts in the organization. The service teams operate out of a set of services accounts. The service teams want to receive an AWS CloudTrail event in their services accounts when the CreateAccount API call creates a new account.

How should the company share this CloudTrail event with the service accounts?

Options:

A.

Create an Amazon EventBridge rule in the automation account to send account creation events to the default event bus in the services accounts. Update the default event bus in the services accounts to allow events from the automation account.

B.

Create a custom Amazon EventBridge event bus in the services accounts. Update the custom event bus to allow events from the automation account. Create an EventBridge rule in the services account that directly listens to CloudTrail events from the automation account.

C.

Create a custom Amazon EventBridge event bus in the automation account and the services accounts. Create an EventBridge rule and policy that connects the custom event buses that are in the automation account and the services accounts.

D.

Create a custom Amazon EventBridge event bus in the automation account. Create an EventBridge rule and policy that connects the custom event bus to the default event buses in the services accounts.

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Question # 52

A company has a guideline that every Amazon EC2 instance must be launched from an AMI that the company ' s security team produces Every month the security team sends an email message with the latest approved AMIs to all the development teams.

The development teams use AWS CloudFormation to deploy their applications. When developers launch a new service they have to search their email for the latest AMIs that the security department sent. A DevOps engineer wants to automate the process that the security team uses to provide the AMI IDs to the development teams.

What is the MOST scalable solution that meets these requirements?

Options:

A.

Direct the security team to use CloudFormation to create new versions of the AMIs and to list! the AMI ARNs in an encrypted Amazon S3 object as part of the stack ' s Outputs Section Instruct the developers to use a cross-stack reference to load the encrypted S3 object and obtain the most recent AMI ARNs.

B.

Direct the security team to use a CloudFormation stack to create an AWS CodePipeline pipeline that builds new AMIs and places the latest AMI ARNs in an encrypted Amazon S3 object as part of the pipeline output Instruct the developers to use a cross-stack reference within their own CloudFormation template to obtain the S3 object location and the most recent AMI ARNs.

C.

Direct the security team to use Amazon EC2 Image Builder to create new AMIs and to place the AMI ARNs as parameters in AWS Systems Manager Parameter Store Instruct the developers to specify a parameter of type SSM in their CloudFormation stack to obtain the most recent AMI ARNs from Parameter Store.

D.

Direct the security team to use Amazon EC2 Image Builder to create new AMIs and to create an Amazon Simple Notification Service (Amazon SNS) topic so that every development team can receive notifications. When the development teams receive a notification instruct them to write an AWS Lambda function that will update their CloudFormation stack with the most recent AMI ARNs.

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Question # 53

A DevOps engineer manages a company ' s Amazon Elastic Container Service (Amazon ECS) cluster. The cluster runs on several Amazon EC2 instances that are in an Auto Scaling group. The DevOps

engineer must implement a solution that logs and reviews all stopped tasks for errors.

Which solution will meet these requirements?

Options:

A.

Create an Amazon EventBridge rule to capture task state changes. Send the event to Amazon CloudWatch Logs. Use CloudWatch Logs Insights to investigate stopped tasks.

B.

Configure tasks to write log data in the embedded metric format. Store the logs in Amazon CloudWatch Logs. Monitor the ContainerInstanceCount metric for changes.

C.

Configure the EC2 instances to store logs in Amazon CloudWatch Logs. Create a CloudWatch Contributor Insights rule that uses the EC2 instance log data. Use the Contributor Insights rule to investigate stopped tasks.

D.

Configure an EC2 Auto Scaling lifecycle hook for the EC2_INSTANCE_TERMINATING scale-in event. Write the SystemEventLog file to Amazon S3. Use Amazon Athena to query the log file for errors.

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Exam Code: DOP-C02
Exam Name: AWS Certified DevOps Engineer - Professional
Last Update: Apr 8, 2026
Questions: 425
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