AZ-104 Manage Azure Identities and Governance Practice Question
This AZ-104 practice question tests your understanding of manage azure identities and governance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
A shared resource group contains a VPN gateway and several virtual machines used by the finance department. Administrators must still be able to resize the VMs and update NSG rules, but no one should be able to delete the resource group or anything in it during the quarter-end freeze. Which lock should be applied?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
CanNotDelete lock on the resource group
The CanNotDelete lock (option B) prevents deletion of the resource group and all resources within it, while still allowing read and update operations such as resizing VMs and modifying NSG rules. This meets the requirement to block deletions during the quarter-end freeze without hindering administrative changes. ReadOnly locks would block all write operations, including resizing and NSG rule updates, which is not desired.
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.
✗
ReadOnly lock on the resource group
Why it's wrong here
This would block writes such as resizing VMs and changing NSG rules, which are still required.
✓
CanNotDelete lock on the resource group
Why this is correct
This prevents deletion while still allowing allowed changes like resizing and configuration updates.
Related concept
Read the scenario before looking for a memorised answer.
✗
Management group lock on the subscription
Why it's wrong here
This is broader than necessary and does not target the specific change-control boundary described.
✗
Azure Policy deny effect on the resource group
Why it's wrong here
Policy can block deployments, but a lock is the appropriate control for preventing deletion.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse ReadOnly locks with CanNotDelete locks, assuming that blocking all writes is necessary to prevent deletions, but ReadOnly locks also block updates like VM resizing and NSG rule changes, which are explicitly allowed in the requirement.
Detailed technical explanation
How to think about this question
Azure resource locks operate at the Azure Resource Manager (ARM) control plane layer, using the `Microsoft.Authorization/locks` resource type. The CanNotDelete lock is enforced by ARM by rejecting any DELETE API calls (HTTP DELETE) against the resource group or its child resources, while allowing PUT, PATCH, and POST operations for updates. This lock is inherited by all child resources, so even if a user has Contributor or Owner role permissions, the lock overrides the RBAC permission for delete actions. In a real-world scenario, this is commonly applied during change freezes or audit periods to prevent accidental or malicious deletions while still allowing operational changes.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-104 question in full detail.
Manage Azure Identities and Governance — This question tests Manage Azure Identities and Governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: CanNotDelete lock on the resource group — The CanNotDelete lock (option B) prevents deletion of the resource group and all resources within it, while still allowing read and update operations such as resizing VMs and modifying NSG rules. This meets the requirement to block deletions during the quarter-end freeze without hindering administrative changes. ReadOnly locks would block all write operations, including resizing and NSG rule updates, which is not desired.
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.
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Question Discussion
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