For cost and security, the team must encrypt data at rest in S3 and Redshift. What is the recommended approach? encrypt data at rest in S3 and Redshift.
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
KMS provides auditable encryption keys.
Correct answer(s): d. SSE-KMS
Exam domain: Domain 4: Data Security and Governance (18% weight on the official guide).
Official documentation & study links
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