A company is designing a disaster recovery strategy for an Amazon Aurora PostgreSQL database. They require a Recovery Point Objective (RPO) of less than 1 second and a Recovery Time Objective (RTO) of less than 1 minute in a secondary AWS region. Which solution meets these requirements?

Q: What mistakes do candidates make on this AWS SAA-C03 question?

Confusing standard cross-region read replicas with Global Database.

Answer options:

Aurora Cross-Region Read Replicas

Amazon Aurora Global Database

AWS Backup cross-region copy

Aurora Multi-AZ deployment

How to approach this question

Look for 'Aurora', 'cross-region', and 'sub-second RPO'. Aurora Global Database is designed exactly for this.

Full Answer

B.Amazon Aurora Global Database✓ Correct

Amazon Aurora Global Database is designed for globally distributed applications. It replicates data with no impact on database performance, enables fast local reads with low latency in each region, and provides disaster recovery from region-wide outages with an RPO of typically < 1 second and an RTO of < 1 minute.

Common mistakes

Confusing standard cross-region read replicas with Global Database.

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