AWS Certified SysOps Administrator – Associate (legacy) — Question 703

A SysOps Administrator created an AWS CloudFormation template and launched it for the first time. The stack failed with a status of ROLLBACK_COMPLETE. The
Administrator identified and resolved the template issue causing the failure.
How should the Administrator continue with the stack deployment?

Answer options

• A. Relaunch the template to create a new stack.
• B. Execute a change set on the failed stack.
• C. Perform an update-stack action on the failed stack.
• D. Run a validate-template command.

Correct answer: A

Explanation

When an AWS CloudFormation stack fails its initial creation and reaches the ROLLBACK_COMPLETE state, it cannot be updated or modified. The administrator must delete the failed stack and launch the corrected template to create a new stack. Therefore, executing an update-stack action or using a change set on the failed stack is not supported.