This PAS-C01 practice question tests your understanding of migration. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is migrating a file server to AWS and needs a scalable, highly available file storage solution that supports the SMB protocol. Which AWS service should be used?
Amazon Elastic File System (EFS)
Why wrong: Supports NFS, not SMB.
AWS Storage Gateway
Why wrong: Hybrid storage, not fully managed.
Amazon Simple Storage Service (S3)
Why wrong: Object storage, not file system.
Amazon FSx for Windows File Server
Supports SMB protocol.
Answer choices
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 supports SMB protocol and provides fully managed Windows file servers. Option A (Amazon EFS) supports NFS, not SMB. Option B (Amazon S3) is object storage. Option D (AWS Storage Gateway) can present file shares but is not a fully managed file server.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
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
Supports NFS, not SMB.
AWS Storage Gateway
Why it's wrong here
Hybrid storage, not fully managed.
Amazon Simple Storage Service (S3)
Why it's wrong here
Object storage, not file system.
Amazon FSx for Windows File Server
Why this is correct
Supports SMB protocol.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Migration — This question tests Migration — Read the scenario before looking for a memorised answer..
The correct answer is: Amazon FSx for Windows File Server — Amazon FSx for Windows File Server supports SMB protocol and provides fully managed Windows file servers. Option A (Amazon EFS) supports NFS, not SMB. Option B (Amazon S3) is object storage. Option D (AWS Storage Gateway) can present file shares but is not a fully managed file server.
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
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.
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