Question 1hardmulti select
Full question →hardmulti selectObjective-mapped
A bootstrap script must install software on three VMs, then download configuration files from Blob Storage. Security forbids secrets in templates or scripts, and the same authentication method must work after the VMs are rebuilt. Which two choices should you make? Select two.
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
Best answer
Assign a user-assigned managed identity and attach it to each VM.
A user-assigned managed identity can be reused across multiple VMs and survives VM rebuilds because it is a separate Azure resource. That makes it ideal when the same identity must work for several machines over time.
B
Distractor review
Store the storage account access key in a script variable.
Embedding an access key in a script variable still leaves a secret inside automation content. That violates the security requirement and creates a high-risk credential-management problem.
C
Best answer
Use a Custom Script Extension to run the bootstrap commands at provisioning.
A Custom Script Extension is an appropriate way to run first-boot installation steps without putting secrets directly in the image or template. It lets Azure execute the bootstrap logic on the VM during provisioning.
D
Distractor review
Create a separate local administrator account for the script to use.
A local administrator account does not solve secret storage, and it does not provide a reusable Azure authentication mechanism for Blob Storage. It also increases operational overhead and credential exposure.
E
Distractor review
Embed a SAS token directly in the Bicep parameters file.
A SAS token is still a secret, and placing it in a parameters file exposes it to anyone who can read the deployment artifact. That conflicts with the requirement to avoid secrets in templates and scripts.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Related practice questions
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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?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Assign a user-assigned managed identity and attach it to each VM. — The right design is to authenticate the VMs with a user-assigned managed identity and to use a VM extension to run the installation logic. The identity gives the script a secretless way to reach Azure Storage, and the extension automates the bootstrap process during provisioning. Because the identity is separate from the VM, it can be reused after rebuilds and across multiple machines. Why others are wrong: Storing account keys or SAS tokens in scripts or parameter files still places secrets in automation content, which the scenario forbids. A local admin account is not an Azure authentication method and does not solve the Blob access problem. The combination of a reusable managed identity and an extension is what removes secrets from the workflow.
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.
Discussion
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