After a design review, leadership requires the team to encrypt S3 with CMKs. Which approach is MOST reliable? encrypt S3 with CMKs.
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
CMKs give customer control and audit via KMS.
Correct answer(s): d. SSE-KMS
Exam domain: Domain 5: Data Protection (20% weight on the official guide).
Official documentation & study links
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