- A
An NSG application security group.
Why wrong: Application security groups help organize NSG rules, not install software.
- B
A VM extension.
This is the standard mechanism for automated VM guest configuration tasks.
- C
A route table.
Why wrong: Route tables control network routing only.
- D
A blob lifecycle rule.
Why wrong: Lifecycle rules manage blob data transitions and deletions.
Question 801 of 1,170
AZ-104 Deploy and Manage Azure Compute Practice Question
This AZ-104 practice question tests your understanding of deploy and manage azure compute. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
You deploy several Windows virtual machines and need to install Microsoft Antimalware on each VM without logging on manually. What should you use?
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
✓
A VM extension.
VM extensions are small applications that provide post-deployment configuration and automation tasks on Azure VMs. The Microsoft Antimalware extension can be deployed to multiple VMs at scale via Azure PowerShell, CLI, ARM templates, or policies, enabling silent installation without manual login.
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.
- ✗
An NSG application security group.
Why it's wrong here
Application security groups help organize NSG rules, not install software.
When this WOULD be correct
When the question asks how to control inbound/outbound traffic to a group of VMs based on application workloads, an NSG application security group would be the correct answer.
- ✓
A VM extension.
Why this is correct
This is the standard mechanism for automated VM guest configuration tasks.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A route table.
Why it's wrong here
Route tables control network routing only.
When this WOULD be correct
An exam question asks: 'You need to force all internet-bound traffic from a subnet to go through a network virtual appliance for inspection. What should you configure?' In that scenario, a route table with a user-defined route (UDR) pointing to the appliance would be correct.
- ✗
A blob lifecycle rule.
Why it's wrong here
Lifecycle rules manage blob data transitions and deletions.
When this WOULD be correct
A question asks how to automatically move blobs to cool storage after 30 days or delete them after 90 days to optimize costs.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓A VM extension.Correct answer▾
Why this is correct
This is the standard mechanism for automated VM guest configuration tasks.
✗An NSG application security group.Wrong answer — click to see why▾
Why this is wrong here
An NSG application security group is used to group virtual machines for network security rule application, not for installing software or extensions on VMs.
★ When this WOULD be the correct answer
When the question asks how to control inbound/outbound traffic to a group of VMs based on application workloads, an NSG application security group would be the correct answer.
Why candidates choose this
Candidates may confuse network security with software deployment, thinking that an application security group can deploy applications.
✗A route table.Wrong answer — click to see why▾
Why this is wrong here
A route table controls network traffic routing between subnets and networks, not software installation on VMs. It cannot deploy or manage applications like Microsoft Antimalware.
★ When this WOULD be the correct answer
An exam question asks: 'You need to force all internet-bound traffic from a subnet to go through a network virtual appliance for inspection. What should you configure?' In that scenario, a route table with a user-defined route (UDR) pointing to the appliance would be correct.
Why candidates choose this
Candidates may confuse route tables with policy-based management tools, thinking they can enforce software installation via network-level controls, or they may not fully understand the scope of VM extensions.
✗A blob lifecycle rule.Wrong answer — click to see why▾
Why this is wrong here
Blob lifecycle rules manage the tiering or deletion of blob data in Azure Storage, not the installation of software on virtual machines.
★ When this WOULD be the correct answer
A question asks how to automatically move blobs to cool storage after 30 days or delete them after 90 days to optimize costs.
Why candidates choose this
Candidates may confuse 'lifecycle' with 'automation' and think a rule can trigger software installation, but lifecycle rules only apply to storage blobs, not VMs.
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse network-level controls (NSGs, route tables) or storage management (lifecycle rules) with VM-level software deployment, overlooking that VM extensions are the dedicated Azure mechanism for post-deployment configuration and software installation.
Detailed technical explanation
How to think about this question
The Microsoft Antimalware extension (IaaSAntimalware) integrates with Azure Security Center and can be deployed via the Set-AzVMExtension PowerShell cmdlet or the az vm extension set CLI command. Under the hood, the extension agent on the VM downloads and executes the antimalware installer, applying settings defined in a JSON policy. In real-world scenarios, you can combine this with Azure Policy to automatically deploy the extension to all new VMs in a subscription, ensuring compliance without manual intervention.
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.
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: A VM extension. — VM extensions are small applications that provide post-deployment configuration and automation tasks on Azure VMs. The Microsoft Antimalware extension can be deployed to multiple VMs at scale via Azure PowerShell, CLI, ARM templates, or policies, enabling silent installation without manual login.
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
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 11, 2026
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