DOP-C02 · Question #308
DOP-C02 Question #308: Real Exam Question with Answer & Explanation
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Question
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 launch templates, Auto Scaling groups, and ALB target groups for the blue environment and the green environment. Each target group specifies which application version, blue or green, will be loaded on the EC2 instances. An Amazon Route 53 The deployment must shift traffic all at once from the blue environment to the green environment. Which solution will meet these requirements?
Options
- AStarta rolling restart of the Auto Scaling group for the green environment to deploy the new
- BUse an AWS CLI command to update the ALB to send traffic to the green environments target
- CUpdate the launch template to deploy the green environment's application version to the blue
- DStarta rolling restart of the Auto Scaling group for the green environment to deploy the new
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