PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is designing a disaster recovery (DR) strategy for its SAP environment on AWS. The primary site is in us-east-1 and the DR site in us-west-2. The SAP HANA database is 3 TB and uses HANA System Replication (HSR) in async mode. The RPO requirement is 15 minutes. What is the most cost-effective way to meet the RPO?
⚠ Common exam trap
Many exam-takers confuse synchronous replication with zero data loss, but for cross-region DR, synchronous mode introduces unacceptable latency, making asynchronous mode the only practical choice to meet the RPO without degrading production performance.
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 HANA System Replication in asynchronous mode over AWS Direct Connect.
HANA System Replication (HSR) in asynchronous mode over AWS Direct Connect provides a low-latency, reliable network path that can achieve an RPO of 15 minutes without the performance penalty of synchronous replication. Asynchronous replication sends committed transactions to the DR site without waiting for acknowledgment, which is suitable for the 3 TB HANA database and meets the RPO requirement cost-effectively by avoiding the need for expensive, high-bandwidth dedicated connections or frequent full backups.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Take full database backups to Amazon S3 every 15 minutes.
Why it's wrong here
Full backups every 15 min are not feasible and would not meet RPO.
- ✗
Use EBS snapshots every 5 minutes to replicate data to DR region.
Why it's wrong here
EBS snapshots are incremental but may not capture all changes within 15 min.
- ✗
Use HANA System Replication in synchronous mode to ensure zero data loss.
Why it's wrong here
Sync mode may cause performance impact and is not required for 15-min RPO.
- ✓
Configure HANA System Replication in asynchronous mode over AWS Direct Connect.
Why this is correct
Async HSR over Direct Connect provides low latency replication meeting the RPO.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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