An enterprise is designing a disaster recovery strategy for a critical application running on Amazon EC2 and Amazon Aurora PostgreSQL. The business requires an RPO of 5 minutes and an RTO of 15 minutes. The DR site is in a different AWS Region. Which combination of actions will meet these requirements? (Select THREE)

Answer options:

A.

Use Aurora Global Database for cross-region data replication.

B.

Take hourly EBS snapshots and copy them to the DR region.

C.

Configure Amazon Route 53 with failover routing policies.

D.

Use AWS Elastic Disaster Recovery (DRS) for continuous replication of EC2 instances.

E.

Use AWS Backup to schedule cross-region backups every 5 minutes.

F.

Deploy an active-active architecture using DynamoDB Global Tables.

How to approach this question

Select services that provide continuous replication to meet the strict RPO/RTO.

Full Answer

To achieve a 5-minute RPO and 15-minute RTO, continuous replication is required. Aurora Global Database handles the DB layer, AWS DRS handles the EC2 layer, and Route 53 handles the traffic failover.

Common mistakes

Selecting snapshot-based solutions which cannot meet tight RPO requirements.

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