SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company is using AWS CloudFormation to manage infrastructure. They want to ensure that any changes to a production stack are reviewed and approved before being applied. What is the BEST way to achieve this?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Change Sets and require manual approval to execute them.
AWS CloudFormation Change Sets allow you to preview how proposed changes will affect your running resources before executing them. By using Change Sets in conjunction with a manual approval process (e.g., via AWS CodePipeline or a separate review step), you can ensure changes are reviewed and approved before being applied. Option A (termination protection) only prevents stack deletion, not updates. Option B (auto-deployment with CodePipeline) can include approval gates, but the question asks for the "BEST way" in the context of CloudFormation itself; Change Sets are the native mechanism for review. Option D (stack policies) control which resources can be updated, but do not enforce a review process.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable termination protection on the stack.
Why it's wrong here
Termination protection only prevents deletion.
- ✗
Use AWS CodePipeline to automatically deploy changes.
Why it's wrong here
Automated deployment bypasses manual review.
- ✓
Use Change Sets and require manual approval to execute them.
Why this is correct
Change Sets show the impact of changes and can be executed after review.
- ✗
Use stack policies to prevent updates.
Why it's wrong here
Stack policies prevent updates to specific resources but do not provide a review process.
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