SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating a legacy Windows application to AWS. The application requires a shared file system accessible from multiple EC2 instances. Which AWS storage solution should the company use?
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 a fully managed native Windows file system that supports the SMB protocol, which is required for legacy Windows applications to access shared file systems. Amazon EFS uses NFS, which is not natively supported by Windows. EBS with multi-attach is limited to a small number of instances and not ideal for file sharing. S3 is object storage and does not provide a traditional file system interface.
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 Elastic File System (EFS)
Why it's wrong here
EFS supports NFS, not SMB; Windows instances typically need SMB.
- ✓
Amazon FSx for Windows File Server
Why this is correct
FSx provides native SMB file sharing for Windows instances.
- ✗
Amazon Elastic Block Store (EBS) with multi-attach enabled
Why it's wrong here
EBS multi-attach is limited to a few instances and not ideal for shared file systems.
- ✗
Amazon Simple Storage Service (S3)
Why it's wrong here
S3 is object storage, not a file system.
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 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.