PAS-C01 Technology Practice Question
A company is migrating an SAP ERP system to AWS. The system requires low-latency access to a shared file system for SAP transport directories. The file system must be accessible from multiple EC2 instances in different Availability Zones. Which storage solution meets these requirements?
⚠ Common exam trap
Watch out — candidates often confuse EBS snapshots or S3 with a shared file system, overlooking that EFS is the only option that provides a POSIX-compliant, multi-AZ shared file system with low-latency access required for SAP transport directories.
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
✓
Amazon EFS file system.
Amazon EFS provides a fully managed, NFS-based shared file system that can be mounted concurrently by multiple EC2 instances across different Availability Zones, offering the low-latency access required for SAP transport directories. It automatically scales storage capacity and throughput, ensuring consistent performance for SAP workloads without manual 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.
- ✗
Amazon EBS volumes snapshotted and shared across instances.
Why it's wrong here
EBS volumes are single-instance attachments.
- ✗
Instance store volumes on each EC2 instance.
Why it's wrong here
Not persistent or shared.
- ✗
Amazon S3 with Transfer Acceleration.
Why it's wrong here
Object storage, not a file system.
- ✓
Amazon EFS file system.
Why this is correct
Provides shared, low-latency file system across AZs.
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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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.