AWS Certified Cloud Practitioner — Question 745

A company runs a database on Amazon Aurora in the us-east-1 Region. The company has a disaster recovery requirement that the database be available in another Region.

Which solution meets this requirement with minimal disruption to the database operations?

Answer options

• A. Perform an Aurora Multi-AZ deployment.
• B. Deploy Aurora cross-Region read replicas.
• C. Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region.
• D. Deploy Aurora Replicas.

Correct answer: B

Explanation

Deploying Aurora cross-Region read replicas allows for asynchronous replication to another AWS Region with minimal impact on the primary database's performance. Multi-AZ deployments and standard Aurora Replicas only provide high availability within a single Region, failing the cross-Region disaster recovery requirement. Manually copying snapshots to another region introduces significantly higher recovery time objectives (RTO) and operational overhead compared to using read replicas.