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AZ-104 Practice Question 43: Premium File Shares Account

Microsoft Azure Administrator Associate (AZ-104) · Test 5 · question 3 of 10

Storagemedium

A Linux analytics cluster needs a shared file system mounted over NFS 4.1, with consistently low latency and protection against the loss of a single availability zone in the primary region.

You are creating the storage account that will host the share. Which account type should you choose?

Select one answer
Show answer and explanation

Answer:

  • B. Premium file shares

Two requirements point to the same account type. On protocol, Microsoft is explicit: "if you want support for network file system (NFS) in Azure Files, use the premium file shares account type", which is the account type to pick "if you want a storage account that supports both Server Message Block (SMB) and NFS file shares". On performance, premium accounts "use solid-state drives (SSDs) for low latency and high throughput". Premium file share accounts support LRS and ZRS, and ZRS covers the zone-failure requirement. Get this right the first time: "you can't change a storage account to a different type after it's created."

Option A cannot host an NFS share. A standard general-purpose v2 account supports Azure Files, but the NFS protocol requires the premium file shares account type; the tier of an individual share does not change that.

Option C is the premium account for the wrong service. Premium block blobs supports Blob Storage only, so there is no file share to mount.

Option D is a retired account type that Microsoft advises upgrading away from, it supports only LRS/GRS/RA-GRS, no zone redundancy, and it is standard performance, failing both stated requirements.

Reference: Azure storage account overview

Practice Test 5 ›

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