The answer is an Azure Compute Gallery image version. This is the correct choice because Azure Compute Gallery provides native support for custom image versioning, allowing you to maintain a controlled, hardened Windows base image with patch baselines and monitoring agents, while also enabling regional replication to distribute that image to another region for disaster recovery or latency optimization. On the AZ-104 exam, this scenario tests your understanding of how to manage and deploy custom images at scale, often contrasting Azure Compute Gallery with simpler options like managed snapshots or individual VM images—a common trap is selecting a snapshot, which lacks versioning and cross-region replication capabilities. Remember the memory tip: "Gallery for versioning, snapshots for single-use backups."
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.
An operations team maintains a hardened Windows base image that includes patch baseline settings and monitoring agents. They need to publish new versions, replicate the image to another region, and deploy future VMs from the same controlled image source. What should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An Azure Compute Gallery image version.
An Azure Compute Gallery (formerly Shared Image Gallery) is the correct service for managing, versioning, replicating, and deploying custom Windows images across regions. It supports multiple image versions, regional replication, and allows you to deploy VMs from a controlled, hardened base image. Snapshots alone lack versioning and cross-region replication capabilities.
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.
✗
A snapshot of the generalized OS disk.
Why it's wrong here
A snapshot captures one disk state, but it is not a versioned image distribution platform.
✓
An Azure Compute Gallery image version.
Why this is correct
Compute Gallery supports versioned images, replication across regions, and repeatable VM deployment from one source.
Related concept
Read the scenario before looking for a memorised answer.
✗
A VM extension on an existing VM.
Why it's wrong here
Extensions add configuration to a VM, but they do not serve as a reusable image source.
✗
An availability set for the image resources.
Why it's wrong here
Availability sets protect VMs from host issues and are unrelated to image publishing or replication.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a simple snapshot or managed disk copy with the versioning, replication, and lifecycle management capabilities that only an Azure Compute Gallery provides.
Detailed technical explanation
How to think about this question
Azure Compute Gallery stores image definitions and versions, supporting both specialized and generalized images. When you replicate an image version to another region, Azure automatically copies the underlying managed image snapshots to the target region's storage, enabling fast, consistent VM creation. The gallery also integrates with Azure Policy and RBAC to enforce compliance across image versions.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-104 question in full detail.
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: An Azure Compute Gallery image version. — An Azure Compute Gallery (formerly Shared Image Gallery) is the correct service for managing, versioning, replicating, and deploying custom Windows images across regions. It supports multiple image versions, regional replication, and allows you to deploy VMs from a controlled, hardened base image. Snapshots alone lack versioning and cross-region replication capabilities.
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.
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Question Discussion
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