AZ-900 Describe Azure management and governance Practice Question
This AZ-900 practice question tests your understanding of describe azure management and governance. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 company wants to ensure a specific resource group cannot be deleted, but they also need to be able to delete it temporarily during maintenance windows. Which approach allows the most granular control?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Apply a 'CanNotDelete' resource lock and remove it before maintenance.
A 'CanNotDelete' resource lock prevents deletion of a resource group and its resources, but it can be removed and reapplied as needed, providing granular control during maintenance windows. This approach allows temporary deletion by removing the lock, performing the deletion, and then reapplying the lock afterward. It is the only option that directly supports the requirement for both protection and temporary removal without permanent configuration changes.
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.
✗
Assign an Azure Policy with deny effect on delete operations.
Why it's wrong here
Policy deny effects block all delete operations and are hard to temporarily disable.
✓
Apply a 'CanNotDelete' resource lock and remove it before maintenance.
Why this is correct
Resource locks can be easily removed and reapplied, offering flexible control.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Azure RBAC with a custom role that denies delete.
Why it's wrong here
RBAC denies are complex and may affect all resources; temporary exceptions are harder.
✗
Use Azure Blueprints to enforce protection.
Why it's wrong here
Blueprints define environments but do not provide temporary lock/unlock capabilities.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Policy with resource locks, thinking Policy can block deletion, but Policy is for compliance auditing and enforcement of resource configurations, not for operational locks that directly prevent deletion actions.
Detailed technical explanation
How to think about this question
Resource locks in Azure operate at the Azure Resource Manager (ARM) layer, applying a deny effect on all delete or modify operations for the locked scope, regardless of RBAC permissions. The 'CanNotDelete' lock is stored as a separate resource within the resource group and can be managed via Azure CLI, PowerShell, or portal, allowing precise toggling during maintenance. In a real-world scenario, a DevOps team might use automation scripts to remove the lock, delete the resource group, and reapply the lock within a scheduled maintenance window, ensuring no accidental deletion occurs outside that window.
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
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure management and governance — This question tests Describe Azure management and governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Apply a 'CanNotDelete' resource lock and remove it before maintenance. — A 'CanNotDelete' resource lock prevents deletion of a resource group and its resources, but it can be removed and reapplied as needed, providing granular control during maintenance windows. This approach allows temporary deletion by removing the lock, performing the deletion, and then reapplying the lock afterward. It is the only option that directly supports the requirement for both protection and temporary removal without permanent configuration changes.
What should I do if I get this AZ-900 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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