Which service should you use to replicate a relational database to a standby in another AZ?
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Multi-AZ synchronously replicates for HA within a Region.
Correct answer(s): d. Amazon RDS Multi-AZ
Exam domain: Domain 1: Design Resilient Architectures (30% weight on the official guide).
Official documentation & study links
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