PAS-C01 Design of SAP Workloads on AWS Practice Question
A company runs SAP on AWS with an SAP HANA database on a single EC2 instance. They want to implement a disaster recovery solution with a recovery time objective (RTO) of 15 minutes and a recovery point objective (RPO) of 1 hour. The DR site is in a different AWS Region. Which approach meets these requirements?
⚠ Common exam trap
It's easy for candidates to confuse backup-based approaches (like AMI copies or S3 backups) with true replication, failing to recognize that only SAP HANA System Replication provides the low RTO and RPO required for disaster recovery in a different AWS Region.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure SAP HANA System Replication to a secondary instance in the DR Region and use automated EBS snapshots for cross-Region replication.
SAP HANA System Replication provides synchronous or asynchronous data replication to a secondary instance in another AWS Region, meeting the RPO of 1 hour and RTO of 15 minutes when combined with automated EBS snapshots for cross-Region replication. This approach ensures near-continuous database replication and rapid failover, while EBS snapshots provide additional consistency and recovery points.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set up an automated process to copy the EC2 instance AMI to the DR Region every hour.
Why it's wrong here
AMI copy does not provide database consistency without quiescing.
- ✗
Use Amazon S3 Cross-Region Replication to replicate the HANA data directory to the DR Region.
Why it's wrong here
S3 replication does not maintain database consistency.
- ✗
Perform periodic HANA database backups to S3 and restore in the DR Region when needed.
Why it's wrong here
Restore time would exceed 15 minutes.
- ✓
Configure SAP HANA System Replication to a secondary instance in the DR Region and use automated EBS snapshots for cross-Region replication.
Why this is correct
HANA System Replication plus cross-Region snapshots meets RPO and RTO.
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