Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
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 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
A snapshot of the generalized OS disk.
A snapshot captures one disk state, but it is not a versioned image distribution platform.
B
Best answer
An Azure Compute Gallery image version.
Compute Gallery supports versioned images, replication across regions, and repeatable VM deployment from one source.
C
Distractor review
A VM extension on an existing VM.
Extensions add configuration to a VM, but they do not serve as a reusable image source.
D
Distractor review
An availability set for the image resources.
Availability sets protect VMs from host issues and are unrelated to image publishing or replication.
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.
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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: An Azure Compute Gallery image version. — Azure Compute Gallery is the correct service because it is designed for managing reusable VM images at scale. It lets the team publish image definitions and versioned image copies, then replicate those versions to other regions for consistent deployment. That supports controlled releases, rollback to earlier versions, and faster provisioning compared with rebuilding machines individually from scratch. Why others are wrong: A snapshot is only a point-in-time capture of a disk and is not meant for image lifecycle management across regions. A VM extension configures a running machine, but it cannot replace an image catalog. An availability set provides resilience for VMs, not image versioning or cross-region distribution.
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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