PAS-C01 Technology Practice Question
A company is running SAP ERP on AWS and using a shared file system for the SAP transport directory. The file system must be accessible from multiple EC2 instances in different Availability Zones. Which AWS storage solution should be used?
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
Amazon EFS provides a scalable, shared file system that can be mounted from multiple EC2 instances across Availability Zones. Amazon S3 is object storage, not a file system. Amazon FSx for Windows File Server is for Windows-based environments. Amazon EBS cannot be shared across instances.
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 FSx for Windows File Server
Why it's wrong here
FSx for Windows is for Windows, and SAP transport typically uses Linux.
- ✓
Amazon EFS
Why this is correct
EFS provides a shared NFS file system accessible from multiple AZs.
- ✗
Amazon S3
Why it's wrong here
S3 is object storage, not a POSIX file system.
- ✗
Amazon EBS
Why it's wrong here
EBS volumes can be attached to only one instance at a time.
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.