PAS-C01 Operations and Maintenance Practice Question
An SAP HANA database is running on an EC2 instance with multiple EBS volumes for data, log, and shared storage. The administrator needs to ensure that the volumes are backed up consistently to avoid data corruption. Which THREE measures should be taken? (Select 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
✓
Take snapshots of all volumes simultaneously using the EBS multi-volume snapshot feature.
Options B, C, and D are correct. Option B: Using the EBS multi-volume snapshot feature allows snapshots of all volumes to be taken simultaneously, ensuring crash consistency. Option C: Taking snapshots in the correct order (data volumes first, then log volumes) is important for SAP HANA to maintain transactional consistency. Option D: Freezing the filesystem with xfs_freeze (or equivalent) before taking snapshots ensures filesystem consistency and prevents data corruption. Option A is incorrect because although AWS Backup provides application-consistent snapshots, the question asks for measures the administrator should take directly; the recommended practice for SAP HANA on EC2 with EBS is to use the EBS multi-volume snapshot feature in conjunction with filesystem freeze and proper ordering. Option E is incorrect because stopping the instance causes downtime and is not necessary if using the other measures.
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 the application-consistent snapshot feature of AWS Backup with pre/post scripts.
Why it's wrong here
Although AWS Backup provides application-consistent snapshots, the question asks for measures the administrator should take directly; the recommended practice for SAP HANA on EC2 with EBS is to use the EBS multi-volume snapshot feature in conjunction with filesystem freeze and proper ordering.
- ✓
Take snapshots of all volumes simultaneously using the EBS multi-volume snapshot feature.
Why this is correct
Using the EBS multi-volume snapshot feature allows snapshots of all volumes to be taken simultaneously, ensuring crash consistency.
- ✓
Ensure that the snapshots are taken in the correct order: data volumes first, then log volumes.
Why this is correct
Taking snapshots in the correct order (data volumes first, then log volumes) is important for SAP HANA to maintain transactional consistency.
- ✓
Freeze the filesystem using xfs_freeze before taking snapshots.
Why this is correct
Freezing the filesystem with xfs_freeze (or equivalent) before taking snapshots ensures filesystem consistency and prevents data corruption.
- ✗
Stop the EC2 instance before taking snapshots.
Why it's wrong here
Stopping the instance causes downtime and is not necessary if using the other measures.
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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.