SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating a legacy application that uses a network file system (NFS) for shared storage. The application runs on Windows servers. Which AWS storage service should be used for the migration?
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 FSx for Windows File Server
Amazon FSx for Windows File Server provides native SMB support, making it the ideal choice for Windows-based applications requiring shared file storage. Amazon EFS is POSIX-based and not fully compatible with Windows. Amazon EBS volumes cannot be easily shared across multiple instances. Amazon S3 is object storage, not a file system.
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 this is correct
Provides native SMB file storage for Windows applications.
- ✗
Amazon EFS
Why it's wrong here
EFS is not natively supported on Windows.
- ✗
Amazon EBS
Why it's wrong here
EBS volumes are block storage, cannot be shared across instances.
- ✗
Amazon S3
Why it's wrong here
S3 is object storage, not a file system with NFS/SMB.
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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Same concept, more angles
1 more way this is tested on SAP-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company is moving a legacy application that uses a shared file system to AWS. The application requires POSIX-compliant file storage that can be accessed by multiple EC2 instances simultaneously. Which AWS storage service should they use?
medium- A.Amazon FSx for Windows File Server
- ✓ B.Amazon EFS
- C.Amazon EBS with Multi-Attach
- D.Amazon S3
Why B: (Amazon EFS) is correct because it provides a scalable, POSIX-compliant NFS file system that can be accessed by multiple EC2 instances simultaneously. Option A (Amazon FSx for Windows File Server) uses SMB protocol and is not POSIX-compliant. Option C (Amazon EBS with Multi-Attach) only supports a limited number of instances and has specific constraints, and it is not a fully managed shared file system. Option D (Amazon S3) is object storage and does not provide POSIX compliance.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-C02 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 SAP-C02 exam.