Practice DOP-C02 Exam Online

Question 1

Your API servers are hosted on a cluster of EC2 instances deployed using Elastic Beanstalk. You need to deploy a new version and also change the instance type of the instances from m4.large to m4.xlarge. Since this is a production workload already operating at 80?pacity, you want to ensure that the workload on the current EC2 instances does not increase while doing the deployment.

Which of the following deployment policy will you implement which will incur the LEAST amount of cost?

A : Use Immutable as deployment policy to deploy the new version with complete capacity.

B : Use Rolling as the deployment policy to maintain the capacity of the cluster during the deployment.

C : Use All at once as deployment policy to deploy the new version with complete capacity.

D : Use Rolling with additional batch as deployment policy to maintain the capacity of the cluster during the deployment.

Answer: D

Question 2

You are working on a web application that allows designers to create mobile themes for their android phones. The app is hosted on a cluster of Auto Scaling ECS instances and its deployments are handled by AWS CodeDeploy. ALB health checks are not sufficient to tell that new version deployments are successful, rather you have custom validation scripts that verify all APIs of the application. You want to make sure that there are no 5XX error replies on the new version before continuing production deployment and that you are notified via email if results failed. You also want to configure automatic rollback to the older version when the validation fails.

Which combination of options should you implement to meet this requirement? (Select THREE.)

A : Associate CloudWatch Alarms to your deployment group to have it trigger a rollback when the 5xx error alarm is active.

B : Create your validation scripts on AWS Lambda and invoke them after deployment to validate your new app version.

C : Have AWS CloudWatch Alarms trigger an AWS SNS notification when the threshold for 5xx is reached on CloudWatch.

D : Have Lambda send results to AWS CloudWatch Alarms directly and trigger a rollback when 5xx reply errors are received during deployment.

E : Have AWS Lambda trigger an AWS SNS notification after performing the validation of the new app revision.

F : Create your validation scripts on AWS Lambda and define the functions on the AppSpec lifecycle hook to validate the app using test traffic.

Answer: A,C

Question 3

An American tech company used an AWS CloudFormation template to deploy its static corporate website hosted on Amazon S3 in the US East (N. Virginia) region. The template defines an Amazon S3 bucket with a Lambda-backed custom resource that downloads the content from a file server into the bucket. There is a new task for the DevOps Engineer to move the website to the US West (Oregon) region to better serve its customers on the West Coast with lower latency. However, the application stack could not be deleted successfully in CloudFormation.

Which among the following options shows the root cause of this issue, and how can the DevOps Engineer mitigate this problem for current and future versions of the website?

A : The CloudFormation stack deletion fails for an S3 bucket that is used as a static web hosting. To fix the issue, modify the CloudFormation template to remove the website configuration for the S3 bucket.

B : The CloudFormation stack deletion fails for an S3 bucket because the DeletionPolicy attribute is set to Snapshot. To fix the issue, set the DeletionPolicy to Delete instead.

C : The CloudFormation stack deletion fails for an S3 bucket that still has contents. To fix the issue, modify the Lambda function code of the custom resource to recursively empty the bucket if the stack is selected for deletion.

D : The CloudFormation stack deletion fails for an S3 bucket because it is not yet empty. To fix the issue, set the DeletionPolicy to ForceDelete instead.

Answer: C

Question 4

An AWS CodePipeline pipeline has implemented a code release process. The pipeline is integrated with AWS CodeDeploy to deploy versions of an application to multiple Amazon EC2 instances for each CodePipeline stage.

During a recent deployment, the pipeline failed due to a CodeDeploy issue. The DevOps team wants to improve monitoring and notifications during deployment to decrease resolution times.

What should the DevOps engineer do to create notifications when issues are discovered?

A : Implement Amazon CloudWatch Logs for CodePipeline and CodeDeploy, create an AWS Config rule to evaluate code deployment issues, and create an Amazon Simple Notification Service (Amazon SNS) topic to notify stakeholders of deployment issues.

B : Implement Amazon EventBridge for CodePipeline and CodeDeploy, create an AWS Lambda function to evaluate code deployment issues, and create an Amazon Simple Notification Service (Amazon SNS) topic to notify stakeholders of deployment issues.

C : Implement AWS CloudTrail to record CodePipeline and CodeDeploy API call information, create an AWS Lambda function to evaluate code deployment issues, and create an Amazon Simple Notification Service (Amazon SNS) topic to notify stakeholders of deployment issues.

D : Implement Amazon EventBridge for CodePipeline and CodeDeploy, create an Amazon Inspector assessment target to evaluate code deployment issues, and create an Amazon Simple Notification Service (Amazon SNS) topic to notify stakeholders of deployment issues.

Answer: B

Question 5

You have developed an app that lets users quickly upload and share image snippets across various platforms such as mobile app, desktop web browser, and third party instant messaging apps. Your app relies on a Lambda function that detects each request’s User-Agent and automatically sends a corresponding image resolution based on the device. You want to have a consistent and fast experience for all your users around the world.

Which of the following options will you implement?

A : Upload your function on S3 and set it as CloudFront origin to run it.

B : Deploy your function on Amazon API Gateway and set up an Edge-optimized API endpoint.

C : Create your function on Lambda and deploy it with Lambda@Edge.

D : Create your function on AWS Lambda and set it as a CloudFront origin.

Answer: C

Name:	AWS Certified DevOps Engineer- Professional
Exam Code:	DOP-C02
Certification:	AWS Certified Professional
Vendor:	Amazon
Total Questions:	340
Last Updated:	Apr 25, 2024

Amazon DOP-C02