PAS-C01 Recovery Time Objective (RTO) Practice Question
An operations team is planning a disaster recovery (DR) strategy for an SAP system on AWS. The system includes SAP HANA database and application servers. The DR site must have a Recovery Time Objective (RTO) of 2 hours and a Recovery Point Objective (RPO) of 15 minutes. Which THREE components are essential for this DR strategy? (Choose THREE.)
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
✓
AWS CloudFormation templates to provision the DR infrastructure
Correct answers are A, C, and E. CloudFormation templates (A) automate infrastructure provisioning, helping meet the 2-hour RTO. S3 Cross-Region Replication for SAP backup files (C) ensures backups are available in the DR region, supporting RPO. Cross-Region replication of EBS snapshots for SAP HANA data volumes (E) enables frequent snapshots (e.g., every 15 minutes) to meet the RPO. B is wrong because Multi-AZ is for high availability within a region, not cross-region DR. D is wrong because Route 53 health checks and failover routing are important for traffic management but are not essential components for achieving the specified RTO/RPO; they support failover but do not directly provide data replication or infrastructure provisioning.
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 CloudFormation templates to provision the DR infrastructure
Why this is correct
Automated provisioning helps meet the 2-hour RTO.
- ✗
Multi-AZ deployment of the SAP application servers
Why it's wrong here
Multi-AZ is for HA within a region, not cross-region DR.
- ✓
Amazon S3 Cross-Region Replication for SAP backup files
Why this is correct
Ensures backups are available in DR region with low RPO.
- ✗
Amazon Route 53 health checks and failover routing
Why it's wrong here
Route 53 is important for traffic routing but not essential for meeting RTO/RPO.
- ✓
Cross-Region replication of EBS snapshots for SAP HANA data volumes
Why this is correct
Snapshots can be taken every 15 minutes and replicated to DR region.
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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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.