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Total 272 questions
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AWS Certified DevOps Engineer - Professional Questions and Answers

Question 33

A software company wants to automate the build process for a project where the code is stored in GitHub. When the repository is updated, source code should be compiled, tested, and pushed to Amazon S3.

Which combination of steps would address these requirements? (Select THREE.)

Options:

A.

Add a buildspec.yml file to the source code with build instructions.

B.

Configure a GitHub webhook to trigger a build every time a code change is pushed to the repository.

C.

Create an AWS CodeBuild project with GitHub as the source repository.

D.

Create an AWS CodeDeploy application with the Amazon EC2/On-Premises compute platform.

E.

Create an AWS OpsWorks deployment with the install dependencies command.

F.

Provision an Amazon EC2 instance to perform the build.

Question 34

A company's application is running on Amazon EC2 instances in an Auto Scaling group. A DevOps engineer needs to ensure there are at least four application servers running at all times. Whenever an update has to be made to the application, the engineer creates a new AMI with the updated configuration and updates the AWS CloudFormation template with the new AMI ID. After the stack update finishes, the engineer manually terminates the old instances one by one. verifying that the new instance is operational before proceeding. The engineer needs to automate this process.

Which action will allow for the LEAST number of manual steps moving forward?

Options:

A.

Update the CloudFormation template to include the UpdatePolicy attribute with the AutoScalingRollingUpdate policy.

B.

Update the CloudFormation template to include the UpdatePolicy attribute with the AutoScalingReplacingUpdate policy.

C.

Use an Auto Scaling lifecycle hook to verify that the previous instance is operational before allowing the DevOps engineer's selected instance to terminate.

D.

Use an Auto Scaling lifecycle hook to confirm there are at least four running instances before allowing the DevOps engineer's selected instance to terminate.

Question 35

A DevOps Engineer wants to prevent Developers from pushing updates directly to the company’s master branch in AWS CodeCommit. These updates should be approved before they are merged.

Which solution will meet these requirements?

Options:

A.

Configure an IAM role for the Developers with access to CodeCommit and an explicit deny for write actions when the reference is the master. Allow Developers to use feature branches and create a pull request when a feature is complete. Allow an approver to use CodeCommit to view the changes and approve the pull requests.

B.

Configure an IAM role for the Developers to use feature branches and create a pull request when a feature is complete. Allow CodeCommit to test all code in the feature branches, and dynamically modify the IAM role to allow merging the feature branches into the master. Allow an approver to use CodeCommit to view the changes and approve the pull requests.

C.

Configure an IAM role for the Developers to use feature branches and create a pull request when a feature is complete. Allow CodeCommit to test all code in the feature branches, and issue a new AWS Security Token Service (STS) token allowing a one-time API call to merge the feature branches into the master. Allow an approver to use CodeCommit to view the changes and approve the pull requests.

D.

Configure an IAM role for the Developers with access to CodeCommit and attach an access policy to the CodeCommit repository that denies the Developers role access when the reference is master. Allow Developers to use feature branches and create a pull request when a feature is complete. Allow an approver to use CodeCommit to view the changes and approve the pull requests.

Question 36

A company is using AWS for an application. The Development team must automate its deployments. The team has set up an AWS CodePipeline to deploy the application to Amazon EC2 instances by using AWS CodeDeploy after it has been built using the AWS CodeBuild service.

The team would like to add automated testing to the pipeline to confirm that the application is healthy before deploying it to the next stage of the pipeline using the same code. The team requires a manual approval action before the application is deployed, even if the test is successful. The testing and approval must be accomplished at the lowest costs, using the simplest management solution.

Which solution will meet these requirements?

Options:

A.

Add a manual approval action after the last deploy action of the pipeline. Use Amazon SNS to inform the team of the stage being triggered. Next, add a test action using CodeBuild to do the required tests. At the end of the pipeline, add a deploy action to deploy the application to the next stage.

B.

Add a test action after the last deploy action of the pipeline. Configure the action to use CodeBuild to perform the required tests. If these tests are successful, mark the action as successful. Add a manual approval action that uses Amazon SNS to notify the team, and add a deploy action to deploy the application to the next stage.

C.

Create a new pipeline that uses a source action that gets the code from the same repository as the first pipeline. Add a deploy action to deploy the code to a test environment. Use a test action using AWS Lambda to test the deployment. Add a manual approval action by using Amazon SNS to notify the team, and add a deploy action to deploy the application to the next stage.

D.

Add a test action after the last deployment action. Use a Jenkins server on Amazon EC2 to do the required tests and mark the action as successful if the tests pass. Create a manual approval action that uses Amazon SQS to notify the team and add a deploy action to deploy the application to the next stage.

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Total 272 questions
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