A CloudFormation template will be changed in production.
Review possible additions, replacements, and deletions before applying the update.
Which feature is most appropriate?
Create and review a CloudFormation change set before executing the stack update.
Detailed explanation
S3 object lifecycle management is not a CloudFormation change plan.
S3 object lifecycle management is not a CloudFormation change plan.
Direct execution can replace resources without a prior review of the impact.
Direct execution can replace resources without a prior review of the impact.
A DNS health check does not display infrastructure change differences.
A DNS health check does not display infrastructure change differences.
A change set shows the resource changes that will be made before they are applied.
A change set shows the resource changes that will be made before they are applied.
Check official documentation
Compare the following points with the official documentation.
AWS CloudFormation change setsの公式説明を確認する。
What to confirm
テンプレート検証と変更差分確認の役割を区別できる。
Key points
- Change set
- Stack update
- Resource replacement
Notes
- Environment: AWS公式SOA-C03試験ガイドとAWS公式ドキュメントの確認
- Confirm current AWS service behavior in the official documentation.
Foundation review
Preview before execution
A change preview exposes destructive or replacing actions before they affect production.
Template validity versus impact
A valid template can still produce an undesirable replacement, so both checks matter.