Exam objective

AZ-900

Describe Azure storage services

This objective sits in Describe Azure architecture and services, which carries 38% of the Azure Fundamentals exam. The questions below are original, written from the official objective title above, and each explanation cites the Microsoft Azure page it rests on.

Objective title verbatim from the official objectives. Microsoft Azure exam page ↗

A worked example

Shown solved, with the whole explanation open: this is what every question here carries.

Describe Azure architecture and services

A company must move 60 terabytes of archived data into Azure from a site with very limited network bandwidth. Which service ships a physical device for the transfer?

AzCopyAzCopy copies over the network, which is exactly the constrained resource here.
Azure File SyncAzure File Sync keeps a Windows file server synced with Azure Files over the network; it is not a bulk shipment.
Azure Data BoxCorrect · your answerCorrect.
Azure Storage ExplorerStorage Explorer is a graphical client for managing blobs and files, still transferring online.

Correct.

Checked against learn.microsoft.com, September 2026

Concept

When the pipe is the bottleneck, moving disks beats moving bits. The exam distinguishes the offline bulk option from the online copy tools.

Why C

The source describes Azure Data Box as a physical migration service that ships a storage device with up to 80 terabytes of usable capacity, suited to limited bandwidth.

Source

Azure Data Box is a physical migration service that helps transfer large amounts of data in a quick, inexpensive, and reliable way. The secure data transfer is accelerated by shipping you a proprietary Data Box storage device that has a maximum usable storage capacity of 80 terabytes.

Identify Azure data migration options, checked September 2026
#data-migration#data-box#scenario

Now you: practice questions

No account needed. The explanation opens when you answer.

Sample question 1 of 3

Describe Azure architecture and services

An administrator uses AzCopy to synchronize a folder with a blob container and expects changes made in the container to flow back to the folder. What actually happens?

Sample question 2 of 3

Describe Azure architecture and services

A branch office keeps its Windows file server but wants rarely used files to live in Azure until requested, with frequently used files cached locally. Which capability provides this?

Sample question 3 of 3

Describe Azure architecture and services

A media company must stream video and audio to viewers around the world and serve product images directly to browsers, with no file system or virtual machine to maintain. Which Azure Storage service fits?

That’s 3 of the full Azure Fundamentals bank.

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Read the sources

These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.

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