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DOP-C02 Exam Dumps : AWS Certified DevOps Engineer - Professional

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AWS Certified DevOps Engineer - Professional Questions and Answers

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Question 1

A DevOps engineer needs to configure a blue green deployment for an existing three-tier application. The application runs on Amazon EC2 instances and uses an Amazon RDS database The EC2 instances run behind an Application Load Balancer (ALB) and are in an Auto Scaling group.

The DevOps engineer has created a launch template and an Auto Scaling group for the blue environment. The DevOps engineer also has created a launch template and an Auto Scaling group for the green environment. Each Auto Scaling group deploys to a matching blue or green target group. The target group also specifies which software blue or green gets loaded on the EC2 instances. The ALB can be configured to send traffic to the blue environments target group or the green environments target group. An Amazon Route 53 record for www example com points to the ALB.

The deployment must move traffic all at once between the software on the blue environment ' s EC2 instances to the newly deployed software on the green environments EC2 instances

What should the DevOps engineer do to meet these requirements?

Options:

A.

Start a rolling restart to the Auto Scaling group tor the green environment to deploy the new software on the green environment ' s EC2 instances When the rolling restart is complete, use an AWS CLI command to update the ALB to send traffic to the green environment ' s target group.

B.

Use an AWS CLI command to update the ALB to send traffic to the green environment ' s target group. Then start a rolling restart of the Auto Scaling group for the green environment to deploy the new software on the green environment ' s EC2 instances.

C.

Update the launch template to deploy the green environment ' s software on the blue environment ' s EC2 instances Keep the target groups and Auto Scaling groups unchanged in both environments Perform a rolling restart of the blue environment ' s EC2 instances.

D.

Start a rolling restart of the Auto Scaling group for the green environment to deploy the new software on the green environment ' s EC2 instances When the rolling restart is complete, update the Route 53 DNS to point to the green environments endpoint on the ALB.

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Question 2

A company uses an organization in AWS Organizations to manage multiple AWS accounts. The company has enabled all features for the organization. The member accounts under one OU contain S3 buckets that store sensitive data.

A DevOps engineer wants to ensure that only IAM principals from within the organization can access the S3 buckets in the OU.

Which solution will meet this requirement?

Options:

A.

Create an SCP in the management account of the organization to restrict Amazon S3 actions by using the aws:PrincipalAccount condition. Apply the SCP to the OU.

B.

Create an IAM permissions boundary in the management account of the organization to restrict access to Amazon S3 actions by using the aws:PrincipalOrgID condition.

C.

Configure AWS Resource Access Manager (AWS RAM) to restrict access to S3 buckets in the OU so the S3 buckets cannot be shared outside the organization.

D.

Create a resource control policy (RCP) in the management account of the organization to restrict Amazon S3 actions by using the aws:PrincipalOrgID condition. Apply the RCP to the OU.

Question 3

A company is testing a web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. The company uses a blue green deployment process with immutable instances when deploying new software.

During testing users are being automatically logged out of the application at random times. Testers also report that when a new version of the application is deployed all users are logged out. The development team needs a solution to ensure users remain logged m across scaling events and application deployments.

What is the MOST operationally efficient way to ensure users remain logged in?

Options:

A.

Enable smart sessions on the load balancer and modify the application to check tor an existing session.

B.

Enable session sharing on the toad balancer and modify the application to read from the session store.

C.

Store user session information in an Amazon S3 bucket and modify the application to read session information from the bucket.

D.

Modify the application to store user session information in an Amazon ElastiCache cluster.

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