PAS-C01 EBS Snapshots Practice Question
A company runs its SAP HANA database on a single EC2 instance with EBS storage. The database is critical and the company needs to ensure data durability and recoverability in case of a disaster. Which TWO actions should the company take?
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 periodic EBS snapshots and copy them to another region.
Taking periodic EBS snapshots and copying them to another region provides cross-region disaster recovery and data durability. Option C is correct: backing up the HANA database to Amazon S3 provides durable, off-site storage. Option A is incorrect because the database runs on EC2, not RDS, so Multi-AZ for RDS is not applicable. Option D is incorrect because Cross-Region Replication is for S3 buckets, not EBS volumes. Option E is incorrect because HANA System Replication to a different AZ provides high availability within a region, but does not protect against regional disasters; it is not sufficient for disaster 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.
- ✗
Enable Multi-AZ deployment for the HANA database on RDS.
Why it's wrong here
Incorrect. The database is on EC2, not RDS, so Multi-AZ for RDS is not applicable.
- ✓
Take periodic EBS snapshots and copy them to another region.
Why this is correct
Correct. Periodic EBS snapshots copied to another region provide cross-region backup for disaster recovery and ensure data durability.
- ✓
Configure automated backups of the HANA database to Amazon S3.
Why this is correct
Correct. Automated backups to Amazon S3 provide durable, off-site storage for recoverability.
- ✗
Use Cross-Region Replication for the EBS volumes.
Why it's wrong here
Incorrect. Cross-Region Replication is a feature for S3 buckets, not for EBS volumes.
- ✗
Set up HANA System Replication to a secondary instance in a different Availability Zone.
Why it's wrong here
Incorrect. HANA System Replication to a different AZ provides high availability within the same region but does not protect against regional disasters; it is not a disaster recovery solution.
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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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.