AWS Certified Solutions Architect – Professional — Question 57

Which status represents a failure state in AWS CloudFormation?

Answer options

• A. ROLLBACK_IN_PROGRESS
• B. DELETE_IN_PROGRESS
• C. UPDATE_COMPLETE_CLEANUP_IN_PROGRESS
• D. REVIEW_IN_PROGRESS

Correct answer: A

Explanation

The correct answer, A. ROLLBACK_IN_PROGRESS, signifies that AWS CloudFormation is reverting to the previous stable state after a failure during the stack operation. The other options represent various ongoing processes that do not indicate a failure state: B. DELETE_IN_PROGRESS is for resource deletion, C. UPDATE_COMPLETE_CLEANUP_IN_PROGRESS indicates a successful update phase, and D. REVIEW_IN_PROGRESS suggests that the stack is still under evaluation.