PAS-C01 Technology Practice Question
A company runs SAP Business Suite on AWS and wants to implement a disaster recovery (DR) solution with a Recovery Time Objective (RTO) of 4 hours and a Recovery Point Objective (RPO) of 1 hour. The primary site is in us-east-1, and DR site will be in us-west-2. The database is running on SAP ASE. The company wants to minimize changes to the existing SAP environment and avoid complex replication setups. What is the most suitable DR approach?
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 AWS Backup to schedule snapshots of the EBS volumes and copy them to the DR region.
AWS Backup can schedule EBS snapshots every hour, meeting the RPO of 1 hour, and snapshots can be copied to the DR region (us-west-2). Restoring from these snapshots can be automated to achieve the RTO of 4 hours. This approach requires minimal changes to the existing SAP environment and avoids complex replication setups. Option A is incorrect because Multi-AZ replication is for high availability within a single region, not for disaster recovery across regions. Option B is incorrect because SAP ASE native replication would require significant changes to the database configuration and licensing, contradicting the requirement to minimize changes. Option D is incorrect because AWS Database Migration Service is designed for ongoing data replication and is not the best fit for a simple backup/restore DR strategy.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Deploy a Multi-AZ database in the primary region.
Why it's wrong here
Multi-AZ does not provide cross-region DR.
- ✗
Set up SAP ASE native replication to a standby database in the DR region.
Why it's wrong here
Complex and requires licensing.
- ✓
Use AWS Backup to schedule snapshots of the EBS volumes and copy them to the DR region.
Why this is correct
Simple and meets RPO/RTO with proper scheduling.
- ✗
Use AWS Database Migration Service to continuously replicate data to the DR region.
Why it's wrong here
DMS requires source changes and may not be straightforward for SAP ASE.
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Written by Johnson Ajibi, MSc IT Security
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