An application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). A DevOps engineer is us

Question

An application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). A DevOps engineer is using AWS CodeDeploy to release a new version. The deployment fails during the AllowTraffic lifecycle event, but the deployment logs do not indicate the cause of failure.
What could cause this?

Accepted Answer

C. The health check configuration specified for the ALB target group is misconfigured.

Answer

A. The appspec.yml file contains an invalid script configured to run in the AllowTraffic lifecycle hook.

Answer

B. The user who initiated the deployment lacks necessary permissions to interact with the ALB.

Answer

D. The CodeDeploy agent is not installed on the EC2 instances belonging to the ALB target group.

Q8 — AWS DOP-C02 Ch.3

Correct Answer: C. The health check configuration specified for the ALB target group is misconfigured.

Explanation