PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is running SAP Business Suite on AWS and wants to implement a disaster recovery (DR) strategy with a Recovery Time Objective (RTO) of less than 2 hours and a Recovery Point Objective (RPO) of less than 15 minutes. The primary and DR sites are in different AWS regions. Which solution meets these requirements?
⚠ Common exam trap
Many exam-takers assume synchronous replication is always better for low RPO, but in cross-region scenarios, synchronous mode is impractical due to latency, and asynchronous mode with log shipping easily achieves sub-15-minute RPO while avoiding performance impact on the primary system.
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 SAP HANA System Replication in asynchronous mode across regions with EBS snapshots every 15 minutes
SAP HANA System Replication in asynchronous mode across regions meets the RPO of less than 15 minutes because it continuously replicates log data with minimal latency, and the RTO of less than 2 hours is achievable by taking over the replicated HANA database in the DR region. EBS snapshots every 15 minutes provide an additional layer for persistent storage consistency, but the primary mechanism for meeting the RPO is the asynchronous log replication, which typically achieves sub-minute RPO.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use SAP HANA System Replication in asynchronous mode across regions with EBS snapshots every 15 minutes
Why this is correct
Asynchronous replication with frequent snapshots can meet RPO < 15 minutes and RTO < 2 hours.
- ✗
Use EBS snapshots replicated to the DR region with S3 cross-region replication
Why it's wrong here
Cross-region replication may not meet RPO of < 15 minutes and snapshots are not continuous.
- ✗
Use AWS Backup with continuous backups
Why it's wrong here
AWS Backup does not support continuous backups for SAP HANA with sub-15 minute RPO.
- ✗
Use SAP HANA System Replication in synchronous mode across regions
Why it's wrong here
Synchronous replication across regions is impractical due to high latency.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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