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:

Read Replicas

Multi-AZ deployment

Automated Backups

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

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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Practice the full AWS SAA-C03 Practice Exam 5

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