Which action should the engineer take to resolve this issue?

A DevOps engineer used an AWS Cloud Formation custom resource to set up AD Connector. The AWS Lambda function ran and created AD Connector, but Cloud Formation is not transitioning from CREATE_IN_PROGRESS to CREATE_COMPLETE.

Which action should the engineer take to resolve this issue?
A . Ensure the Lambda function code has exited successfully.
B . Ensure the Lambda function code returns a response to the pre-signed URL.
C . Ensure the Lambda function IAM role has cloudformation UpdateStack permissions for the stack ARN.
D . Ensure the Lambda function IAM role has ds ConnectDirectory permissions for the AWS account.

View Answer

Answer: B

Explanation:

Reference: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/crpg-ref-responses.html