PAS-C01 Operations and Maintenance Practice Question
Your company runs an SAP ERP system on AWS. The SAP application servers are in an Auto Scaling group across two Availability Zones. The SAP HANA database runs on a single EC2 instance with multiple EBS volumes. Recently, the database instance experienced a failure due to an underlying hardware issue, and you had to recover from an EBS snapshot. The recovery took longer than expected, and management wants to reduce the recovery time objective (RTO). What should you do to achieve a lower RTO for the HANA database?
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
✓
Set up SAP HANA System Replication to a secondary instance in a different Availability Zone
SAP HANA System Replication to a secondary instance in a different Availability Zone provides near-synchronous replication, enabling automatic failover in minutes. This significantly reduces RTO compared to recovering from EBS snapshots, which can take hours depending on volume size. Option D is correct because it directly addresses the need for faster recovery.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create more frequent EBS snapshots and store them in Amazon S3
Why it's wrong here
More snapshots improve RPO but not RTO; recovery still requires attaching and restoring.
- ✗
Increase the size of the EBS volumes and use Provisioned IOPS
Why it's wrong here
This improves performance but does not reduce recovery time from snapshots.
- ✗
Use an Auto Scaling group for the database instance
Why it's wrong here
Auto Scaling is for stateless instances, not for a stateful database with persistent storage.
- ✓
Set up SAP HANA System Replication to a secondary instance in a different Availability Zone
Why this is correct
System replication provides a hot standby that can be failed over quickly.
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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.