Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
Exhibit
Deployment requirement: 1. Create a new Windows VM from a standard image. 2. Install IIS after the VM is provisioned. 3. Run C:\Setup\install.ps1 automatically. 4. No interactive logon is allowed during deployment.
Based on the exhibit, a Windows VM must install IIS and run a configuration script automatically right after deployment. The administrator does not want to sign in to the VM manually. Which Azure feature should be used?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Azure Policy with a modify effect.
Azure Policy can enforce configuration or add properties, but it does not execute a post-deployment script on the VM.
B
Best answer
Virtual machine extension, such as the Custom Script Extension.
A VM extension is designed to run guest-level tasks after the VM is created. The Custom Script Extension can download and execute a script to install IIS or perform configuration without requiring manual sign-in. This is the standard Azure feature for simple post-deployment automation on a VM.
C
Distractor review
An availability set.
An availability set improves resilience across update and fault domains, but it does not install software or run scripts.
D
Distractor review
A private endpoint.
A private endpoint provides private network access to a PaaS service and is unrelated to executing scripts on a VM.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A route table contains these entries: 10.0.0.0/8 with next hop Virtual appliance, and 10.1.1.0/24 with next hop Virtual network gateway. Which next hop will Azure use for traffic to 10.1.1.5?
Question 2
You are deploying a stateless web application on Azure virtual machines. The solution must automatically add and remove instances based on CPU demand and allow all instances to be managed as one logical group. Which Azure compute feature should you deploy?
Question 3
You are deploying a Windows Server VM for an internal app. The VM must support Secure Boot and vTPM later, its OS disk must survive host moves, and the team wants the lowest-cost managed disk tier that still behaves like a normal writable OS disk. Which two choices should you make? Select two.
Question 4
You need to deploy several identical virtual machines and ensure that the failure of a single Azure host does not affect all of them. Which feature should you use?
Question 5
You need to connect VNet-Hub and VNet-Spoke so that resources in both virtual networks can communicate privately over the Microsoft backbone. Both virtual networks are in the same region. What should you configure?
Question 6
You need to create a storage account that provides the lowest-cost redundant storage for non-critical data and only needs protection against local disk or server failure within a single datacenter. Which redundancy option should you choose?
FAQ
Questions learners often ask
What does this AZ-104 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Virtual machine extension, such as the Custom Script Extension. — The Custom Script Extension is the best choice because it runs commands or scripts inside the guest operating system after the VM is provisioned. It is commonly used for simple automation tasks such as installing IIS, applying configuration files, or preparing an application server. Because it runs without an interactive session, it fits the requirement to automate setup immediately after deployment. Why others are wrong: Azure Policy can govern configuration, but it does not execute guest scripts. An availability set is only a placement and resiliency feature. A private endpoint is for securing network access to Azure services, not for provisioning software on a VM.
What should I do if I get this AZ-104 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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