The answer is Azure Files with the NFS protocol. This is correct because Azure Files offers fully managed file shares in the cloud that support the NFS 4.1 protocol natively, allowing Linux clients to mount and access these shares using standard NFS semantics without provisioning or managing a separate file server. On the Microsoft Azure Fundamentals AZ-900 exam, this concept tests your understanding of Azure’s core storage services and their specific protocol support—a common trap is confusing Azure Files with Azure Blob Storage, which does not support NFS. Remember that Azure Files is the only fully managed file share service for Linux NFS workloads, while Blob Storage is for object data. A helpful memory tip: think “Files for NFS, Blobs for objects” to quickly distinguish them on the exam.
AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. 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.
Which Azure service provides fully managed file shares in the cloud that support the NFS protocol for Linux clients?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Files (NFS protocol)
Azure Files provides fully managed file shares in the cloud that support the NFS protocol, specifically NFS 4.1 for Linux clients. This allows Linux-based workloads to mount and access file shares using native NFS semantics without needing to deploy or manage a separate file server.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Azure Blob Storage with NFS 3.0
Why it's wrong here
Blob Storage supports NFS 3.0 for some scenarios; Azure Files NFS 4.1 is the standard Linux NFS file share solution.
✓
Azure Files (NFS protocol)
Why this is correct
Azure Files supports NFS 4.1 for Linux clients on the Premium tier for high-performance shared file storage.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure NetApp Files
Why it's wrong here
Azure NetApp Files provides enterprise NFS/SMB storage but is a separate premium service for high-performance workloads.
✗
Azure Data Lake Storage
Why it's wrong here
Data Lake Storage uses the Azure Blob Storage API; Azure Files provides NFS file shares.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Blob Storage with NFS 3.0 support as a fully managed file share, but it is actually an object storage service with an NFS interface, lacking the full file system features and management simplicity of Azure Files.
Trap categories for this question
Scenario analysis trap
Blob Storage supports NFS 3.0 for some scenarios; Azure Files NFS 4.1 is the standard Linux NFS file share solution.
Detailed technical explanation
How to think about this question
Azure Files supports both SMB (for Windows) and NFS (for Linux) protocols, with NFS shares using NFS 4.1 over TCP. Under the hood, Azure Files leverages a distributed storage layer that ensures strong consistency and high availability, while the NFS protocol implementation adheres to RFC 5661, enabling features like file locking and access control lists (ACLs) for Linux clients. A real-world scenario is migrating on-premises Linux application data to Azure without rewriting applications, as they can mount the NFS share directly using standard mount commands.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Files (NFS protocol) — Azure Files provides fully managed file shares in the cloud that support the NFS protocol, specifically NFS 4.1 for Linux clients. This allows Linux-based workloads to mount and access file shares using native NFS semantics without needing to deploy or manage a separate file server.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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