PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is designing a disaster recovery (DR) strategy for SAP S/4HANA on AWS. The primary site is in us-east-1. They want a secondary site in us-west-2 with a Recovery Point Objective (RPO) of 15 minutes and Recovery Time Objective (RTO) of 2 hours. Which solution meets these requirements with the LEAST operational overhead?
⚠ Common exam trap
Candidates often choose synchronous mode because it offers zero data loss, but they overlook the latency impact of cross-region replication. Asynchronous mode with automatic failover is sufficient for the given RPO/RTO and has lower operational overhead.
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
✓
Use HANA System Replication in async mode to us-west-2.
HANA System Replication in asynchronous mode can meet the 15-minute RPO and 2-hour RTO requirements when combined with automatic failover. Asynchronous replication is recommended for cross-region DR on AWS to avoid performance impact from latency, and automatic failover minimizes operational overhead. Option D is not recommended because synchronous replication over long distances introduces latency that can degrade primary site performance and may not be feasible for cross-region scenarios.
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 hourly backups to S3 and restore in us-west-2 when needed.
Why it's wrong here
Restore time exceeds RTO.
- ✗
Use HANA System Replication to us-west-2 with manual failover.
Why it's wrong here
Manual failover increases RTO and operational overhead.
- ✓
Use HANA System Replication in async mode to us-west-2.
Why this is correct
Correct. Asynchronous HANA System Replication with automatic failover provides a balance between data loss (within RPO) and performance, and automated failover meets RTO with low operational overhead.
- ✗
Use HANA System Replication in sync mode with automatic failover to us-west-2.
Why it's wrong here
Incorrect. Synchronous HANA System Replication over cross-region distances (e.g., us-east-1 to us-west-2) introduces high latency, which can degrade primary site performance and is not recommended. Async mode is preferred for cross-region DR.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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