PAS-C01 Operations and Maintenance Practice Question
A company runs SAP HANA on AWS and needs to implement a disaster recovery (DR) strategy. The DR site must have a Recovery Time Objective (RTO) of 30 minutes and a Recovery Point Objective (RPO) of 15 minutes. Which two AWS services should be used together to achieve these objectives? (Choose TWO.)
⚠ Common exam trap
Candidates may incorrectly assume that EBS snapshots can achieve a 15-minute RPO, but automated snapshot schedules have a 1-hour minimum, and restore times are too long for a 30-minute RTO.
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
✓
SAP HANA System Replication
To achieve an RTO of 30 minutes and RPO of 15 minutes for SAP HANA on AWS, the best combination is SAP HANA System Replication (HSR) and AWS CloudEndure Disaster Recovery. HSR provides near-synchronous replication, enabling an RPO of seconds and rapid failover, meeting the RTO. CloudEndure offers continuous replication at the server level, with sub-second RPO and fast recovery, complementing HSR for additional disaster recovery scenarios. Option A (AWS DMS) is for database migration, not DR. Option D (Amazon S3) is for object storage, not suitable for real-time replication. Option E (Amazon EBS snapshots) cannot achieve a 15-minute RPO because automated snapshot schedules have a minimum interval of 1 hour, and restoring from snapshots takes time exceeding the 30-minute RTO.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Database Migration Service
Why it's wrong here
AWS Database Migration Service is designed for database migration, not for real-time disaster recovery, and cannot meet the low RPO/RTO requirements.
- ✓
SAP HANA System Replication
Why this is correct
SAP HANA System Replication provides near-synchronous replication with RPO of seconds and fast failover, making it ideal for meeting the RTO of 30 minutes and RPO of 15 minutes.
- ✓
AWS CloudEndure Disaster Recovery
Why this is correct
AWS CloudEndure Disaster Recovery offers continuous server-level replication with sub-second RPO and quick recovery, enabling the required RPO and RTO when used alongside HSR.
- ✗
Amazon S3
Why it's wrong here
Amazon S3 is an object storage service and does not support the real-time database replication needed for low RPO/RTO DR.
- ✗
Amazon EBS snapshots
Why it's wrong here
Amazon EBS snapshots have a minimum automated schedule interval of 1 hour, preventing a 15-minute RPO, and restore times can exceed 30 minutes, failing the RTO.
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 |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.