Question 35 of 1,170

Deploy and Manage Azure Compute →hardMultiple SelectObjective-mapped

Quick Answer

The answer is to create an image definition and an image version within an Azure Compute Gallery. This is correct because the gallery is designed specifically for image versioning and cross-region replication, allowing you to publish a generalized VM image to East US and West Europe today while preserving version history. When you later patch the image, you create a new image version under the same definition, which keeps the original build untouched and maintains a clear audit trail. On the AZ-104 exam, this scenario tests your understanding of how Azure Compute Gallery separates the logical container (image definition) from the actual deployable snapshots (image versions), and how replication is configured at the version level. A common trap is confusing image definitions with image versions or thinking you can replicate a single image directly without the gallery structure. Remember the mnemonic: “Define the family, version the child” — the definition holds the OS and SKU rules, while each version is a specific, replicable build.

AZ-104 Deploy and Manage Azure Compute Practice Question

This AZ-104 practice question tests your understanding of deploy and manage azure compute. 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 platform team has a generalized VM image that must be published to East US and West Europe today and patched later without overwriting the original build. They want Azure to keep version history and replicate the image to both regions. Which two actions or resources should they use? Select two.

Question 1hardmulti select

Read the full NAT/PAT explanation →

A
Create an Azure Compute Gallery
This provides a managed place to store, version, and share VM images across regions.
B
Create an image definition and image version
These objects support versioned image publishing and controlled replication to target regions.
C
Capture the VM as a single managed image and copy it manually to each region
Why wrong: A managed image is not the best fit for versioned, multi-region publishing with centralized lifecycle control.
D
Use an availability set to preserve the image
Why wrong: Availability sets improve VM resiliency, but they do not store or distribute reusable images.
E
Take a snapshot of the OS disk and deploy VMs directly from the snapshot
Why wrong: A snapshot is a disk point-in-time copy, not a versioned image distribution mechanism for multiple regions.

Full breakdown with real-world context →

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

✓

Create an Azure Compute Gallery

Azure Compute Gallery (formerly Shared Image Gallery) allows you to store and manage VM image versions, including version history, and replicate them across multiple Azure regions. By creating an image definition and image version within the gallery, you can publish the generalized VM image to East US and West Europe today, and later create a new image version for patching without overwriting the original build, preserving the version history.

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.

✓
Create an Azure Compute Gallery
Why this is correct
This provides a managed place to store, version, and share VM images across regions.
Related concept
Read the scenario before looking for a memorised answer.
✓
Create an image definition and image version
Why this is correct
These objects support versioned image publishing and controlled replication to target regions.
Related concept
Read the scenario before looking for a memorised answer.
✗
Capture the VM as a single managed image and copy it manually to each region
Why it's wrong here
A managed image is not the best fit for versioned, multi-region publishing with centralized lifecycle control.
✗
Use an availability set to preserve the image
Why it's wrong here
Availability sets improve VM resiliency, but they do not store or distribute reusable images.
✗
Take a snapshot of the OS disk and deploy VMs directly from the snapshot
Why it's wrong here
A snapshot is a disk point-in-time copy, not a versioned image distribution mechanism for multiple regions.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse a single managed image (Option C) with the Azure Compute Gallery’s image version, not realizing that a managed image lacks version history and automated multi-region replication, which are key requirements for this scenario.

Detailed technical explanation

How to think about this question

Azure Compute Gallery uses a hierarchical resource model: a gallery contains image definitions (which specify the OS type, publisher, offer, SKU, and regional replication settings), and each image definition contains multiple image versions (e.g., 1.0.0, 1.0.1). When you replicate an image version to multiple regions, Azure automatically copies the underlying managed image disks to each target region using Azure’s storage replication, ensuring low-latency deployment. A real-world scenario is a DevOps pipeline that creates a new image version for each patch cycle, allowing rollback to a previous version if needed, while the original build remains untouched.

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

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this AZ-104 question test?

Deploy and Manage Azure Compute — This question tests Deploy and Manage Azure Compute — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create an Azure Compute Gallery — Azure Compute Gallery (formerly Shared Image Gallery) allows you to store and manage VM image versions, including version history, and replicate them across multiple Azure regions. By creating an image definition and image version within the gallery, you can publish the generalized VM image to East US and West Europe today, and later create a new image version for patching without overwriting the original build, preserving the version history.

What should I do if I get this AZ-104 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.

About these practice questions

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Same concept, more angles

1 more ways this is tested on AZ-104

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. An operations team maintains a hardened Windows Server image with application prerequisites and monitoring tools already installed. They want to deploy future VMs from the same versioned image in multiple subscriptions and promote a new build only after testing. Which Azure feature should they use?

medium

A.A managed disk snapshot created from one of the VMs
✓ B.An Azure Compute Gallery image version
C.A custom script extension installed during VM provisioning
D.An availability set containing the VMs

Why B: An Azure Compute Gallery (formerly Shared Image Gallery) allows you to store and manage multiple versions of a custom VM image, replicate them across regions, and share them across subscriptions. This enables the team to maintain a hardened, versioned image, deploy VMs from it in multiple subscriptions, and promote a new build only after testing by creating a new image version.

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