A critical database runs on Amazon EC2 with EBS volumes. The business requires an RPO of 5 minutes. The database does not support native clustering. How can the architect meet this RPO requirement?

Answer options:

Use AWS Backup to take hourly snapshots.

Use Amazon EBS Snapshots with Data Lifecycle Manager (DLM) configured for 5-minute intervals.

Use AWS Elastic Disaster Recovery (DRS) to continuously replicate the EC2 instance to a staging area.

Configure an S3 sync script to run every 5 minutes.

How to approach this question

Recognize that snapshot-based backups usually have RPOs of hours. Continuous replication is needed for minutes/seconds.

Full Answer

C.Use AWS Elastic Disaster Recovery (DRS) to continuously replicate the EC2 instance to a staging area.✓ Correct

AWS Elastic Disaster Recovery (DRS) continuously replicates block storage volumes, providing an RPO of seconds, which easily meets the 5-minute requirement. DLM minimum interval is 1 hour.

Common mistakes

Assuming DLM can take snapshots every 5 minutes.

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Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 6

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