A shared resource group contains a critical virtual machine and a storage account. Administrators must still be able to update settings, but nobody should accidentally delete either resource during routine maintenance. Which lock should be applied?
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.
Distractor review
ReadOnly lock on the resource group.
ReadOnly prevents most write operations, which would interfere with normal maintenance and updates.
Best answer
CanNotDelete lock on the resource group.
CanNotDelete blocks deletion while still allowing normal update operations on the resources.
Distractor review
A policy assignment that denies delete operations.
Azure Policy is not the primary tool for preventing accidental deletion in this scenario.
Distractor review
A management group assignment with Contributor removed.
Removing broad permissions is not the same as applying a targeted deletion safeguard to the resource group.
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: CanNotDelete lock on the resource group. — A CanNotDelete lock is the best fit when the goal is to protect important resources from accidental removal while allowing routine configuration changes. Applying it at the resource-group scope protects both the VM and storage account without blocking normal operational tasks like resizing, patching, or updating settings. ReadOnly would be too restrictive because it would prevent legitimate write actions needed for maintenance. Why others are wrong: Option A is overly restrictive and would block many normal changes. Option C can be used for governance, but it is not the standard mechanism for accidental deletion protection. Option D changes access control instead of applying the specific deletion safeguard needed for this maintenance scenario.
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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