- A
Azure Policy
Why wrong: Azure Policy can audit or enforce compliance rules during resource creation, update, or deletion using effects like 'deny' and 'audit', but it is not specifically designed to block deletion actions from Owner-level users without complex configuration. Resource Lock is the simpler and more direct safeguard for this requirement.
- B
Azure Resource Lock
Azure Resource Locks (CanNotDelete or ReadOnly) prevent accidental deletion or modification of resources. Even users with Owner permissions must remove the lock before they can delete the resource, ensuring a two-step process. This meets the stated requirement exactly.
- C
Azure Blueprint
Why wrong: Azure Blueprints deploy and orchestrate resources, policies, role assignments, and resource groups in a repeatable manner. They do not provide runtime protection against deletion or modification of existing resources.
- D
Azure Resource Tag
Why wrong: Azure Resource Tags are key-value pairs used for organizing resources, tracking costs, or enforcing operational governance via policy. They offer no security or protection against deletion or modification.
Quick Answer
The answer is Azure Resource Lock, because it provides a critical safeguard that prevents accidental deletion or modification of resources, even for users with Owner permissions. Unlike Azure RBAC, which manages who can perform actions, a resource lock enforces a restriction that must be explicitly removed in a two-step process before any changes can be made—this directly addresses the need for an additional layer of protection beyond role-based access control. On the Microsoft Azure Fundamentals AZ-900 exam, this scenario tests your understanding of the difference between authorization (RBAC) and enforcement (locks), often appearing as a trap where candidates mistakenly choose RBAC or policy. A common memory tip is to think of a resource lock as a “childproof cap” on a resource: even the owner must take an extra step to unlock it before making changes. Remember: RBAC controls who, locks control what—and locks override Owner permissions.
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 has deployed a critical production application in an Azure resource group. The security team wants to prevent accidental deletion or modification of any resources within that resource group. They have already configured Azure RBAC roles to grant only necessary permissions to the operations team. However, they need an additional protection that even users with Owner permissions cannot delete the resource group or its resources without a two-step process to remove the protection. Which Azure feature should the company implement?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure Resource Lock
Azure Resource Lock is the correct feature because it provides a protection mechanism that prevents accidental deletion or modification of resources, even for users with Owner permissions. Unlike RBAC, which controls who can perform actions, a resource lock enforces a restriction that must be explicitly removed (a two-step process) before any changes can be made. This directly addresses the requirement for an additional layer of protection beyond role-based access control.
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.
- ✗
Azure Policy
Why it's wrong here
Azure Policy can audit or enforce compliance rules during resource creation, update, or deletion using effects like 'deny' and 'audit', but it is not specifically designed to block deletion actions from Owner-level users without complex configuration. Resource Lock is the simpler and more direct safeguard for this requirement.
- ✓
Azure Resource Lock
Why this is correct
Azure Resource Locks (CanNotDelete or ReadOnly) prevent accidental deletion or modification of resources. Even users with Owner permissions must remove the lock before they can delete the resource, ensuring a two-step process. This meets the stated requirement exactly.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Blueprint
Why it's wrong here
Azure Blueprints deploy and orchestrate resources, policies, role assignments, and resource groups in a repeatable manner. They do not provide runtime protection against deletion or modification of existing resources.
- ✗
Azure Resource Tag
Why it's wrong here
Azure Resource Tags are key-value pairs used for organizing resources, tracking costs, or enforcing operational governance via policy. They offer no security or protection against deletion or modification.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Policy with Azure Resource Lock, thinking that a policy can prevent deletion, but policies only audit or enforce configuration rules and do not block delete operations at the resource manager level like a lock does.
Detailed technical explanation
How to think about this question
Azure Resource Locks operate at the management group, subscription, resource group, or resource level and support two types: CanNotDelete (prevents deletion but allows modifications) and ReadOnly (prevents both deletion and modification). The lock is enforced by Azure Resource Manager as a deny override that applies to all users and roles, including the subscription administrator, and can only be removed by a user with Owner or User Access Administrator permissions. This ensures that even if a user has Owner rights, they must first remove the lock (a separate, auditable action) before they can delete or modify the protected resources.
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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Describe Azure management and governance — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-900 question test?
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: Azure Resource Lock — Azure Resource Lock is the correct feature because it provides a protection mechanism that prevents accidental deletion or modification of resources, even for users with Owner permissions. Unlike RBAC, which controls who can perform actions, a resource lock enforces a restriction that must be explicitly removed (a two-step process) before any changes can be made. This directly addresses the requirement for an additional layer of protection beyond role-based access control.
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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Last reviewed: Jun 11, 2026
This AZ-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-900 exam.
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