- A
Azure Policy with the deny effect to block deletion of the storage account
Why wrong: Azure Policy can enforce rules across resources, but configuring a custom policy to block deletion is complex and not the intended purpose. Resource locks are the simpler and more direct mechanism for preventing accidental deletion of specific resources.
- B
An Azure Blueprint that includes the storage account with a policy to prevent deletion
Why wrong: An Azure Blueprint is used to define a repeatable set of governance artifacts (policies, role assignments, etc.) for deploying environments. It is not a feature to apply a protective lock on an existing individual resource.
- C
A Read-only lock on the storage account
Why wrong: A Read-only lock prevents any modification or deletion of the resource. Since the administrator needs to update data within the storage account, a Read-only lock would block those updates, which does not meet the requirement.
- D
A Delete lock on the storage account
A Delete lock prevents the resource from being deleted but allows all other operations, including reading and updating data. This directly satisfies the administrator's need to protect against accidental deletion while still permitting data modifications.
AZ-900 Describe Azure management and governance Practice Question
This AZ-900 practice question tests your understanding of describe azure management and governance. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 stores critical configuration data in an Azure Storage account. The IT administrator wants to prevent accidental deletion of this storage account. However, the administrator must still be able to read and update the data within the storage account. The company uses Azure Role-Based Access Control (RBAC) to manage permissions. Which Azure governance feature should the administrator implement to achieve this goal?
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
A Delete lock on the storage account
Option D is correct because a Delete lock on the storage account prevents deletion of the resource while still allowing read and update operations on the data within it. Azure resource locks operate at the resource level, overriding any RBAC permissions that would otherwise allow deletion, but they do not restrict data plane operations like reading or writing blobs or tables. This directly meets the administrator's requirement to protect against accidental deletion while maintaining full read/update access.
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 with the deny effect to block deletion of the storage account
Why it's wrong here
Azure Policy can enforce rules across resources, but configuring a custom policy to block deletion is complex and not the intended purpose. Resource locks are the simpler and more direct mechanism for preventing accidental deletion of specific resources.
- ✗
An Azure Blueprint that includes the storage account with a policy to prevent deletion
Why it's wrong here
An Azure Blueprint is used to define a repeatable set of governance artifacts (policies, role assignments, etc.) for deploying environments. It is not a feature to apply a protective lock on an existing individual resource.
- ✗
A Read-only lock on the storage account
Why it's wrong here
A Read-only lock prevents any modification or deletion of the resource. Since the administrator needs to update data within the storage account, a Read-only lock would block those updates, which does not meet the requirement.
- ✓
A Delete lock on the storage account
Why this is correct
A Delete lock prevents the resource from being deleted but allows all other operations, including reading and updating data. This directly satisfies the administrator's need to protect against accidental deletion while still permitting data modifications.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Policy's deny effect with resource locks, mistakenly thinking policy can prevent deletion of existing resources, or they choose Read-only lock because they overlook the requirement to still allow data updates.
Detailed technical explanation
How to think about this question
Azure resource locks are applied at the subscription, resource group, or resource level and enforce a deny on delete or read-only actions via Azure Resource Manager (ARM) API calls. The Delete lock specifically blocks DELETE operations on the resource itself but does not affect data plane operations (e.g., PUT blob, GET table entity) because those are handled by the storage service endpoints, not ARM. In a real-world scenario, if a storage account has a Delete lock, an administrator with Contributor RBAC role can still modify containers or blobs but cannot delete the account, even if they have the 'Microsoft.Storage/storageAccounts/delete' permission.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
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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: A Delete lock on the storage account — Option D is correct because a Delete lock on the storage account prevents deletion of the resource while still allowing read and update operations on the data within it. Azure resource locks operate at the resource level, overriding any RBAC permissions that would otherwise allow deletion, but they do not restrict data plane operations like reading or writing blobs or tables. This directly meets the administrator's requirement to protect against accidental deletion while maintaining full read/update access.
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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