Easy1 markMultiple Choice
Domain 2.2: Highly Available ArchitecturesRDSHigh AvailabilityMulti-AZ

AWS SAA-C03 · Question 21 · Domain 2.2: Highly Available Architectures

A company runs a critical database on Amazon RDS for MySQL. They need to ensure the database remains available even if an entire Availability Zone goes offline. Which feature should they enable?

Answer options:

A.

Read Replicas

B.

Multi-AZ deployment

C.

Automated Backups

D.

Cross-Region Replication

How to approach this question

Match 'Availability Zone goes offline' and 'remains available' to Multi-AZ.

Full Answer

B.Multi-AZ deployment✓ Correct
Multi-AZ deployment
Amazon RDS Multi-AZ deployments provide enhanced availability and durability. RDS automatically provisions and maintains a synchronous standby replica in a different Availability Zone.

Common mistakes

Confusing Read Replicas (performance) with Multi-AZ (availability).

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