Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A company wants to enable Azure Disk Encryption (ADE) on their Windows virtual machines using a Key Encryption Key (KEK) stored in Azure Key Vault. They have created the Key Vault with soft-delete enabled and a key. However, the encryption fails. What is the most likely missing configuration that prevents ADE from using the KEK?
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.
A
Best answer
The Key Vault does not have the 'Azure Disk Encryption for Azure VMs' access policy.
Correct. ADE requires this access policy to allow the Azure platform to access the KEK for encryption operations.
B
Distractor review
The Key Vault does not allow access from the Azure platform.
This is related but the 'Azure Disk Encryption' access policy specifically enables platform access; the statement is vague.
C
Distractor review
The Key Vault firewall is enabled and blocking access from Azure services.
While a firewall could cause failure, the access policy omission is more common and specifically required.
D
Distractor review
The Key Vault does not have the system-assigned managed identity of the VM enabled.
ADE does not use the VM's managed identity; it uses the Azure platform identity.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
Related practice questions
Related AZ-500 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
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Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
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FAQ
Questions learners often ask
What does this AZ-500 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: The Key Vault does not have the 'Azure Disk Encryption for Azure VMs' access policy. — Azure Disk Encryption requires specific Key Vault access policies to allow the Azure platform to read the key and perform encryption. The most common missing step is enabling the 'Azure Disk Encryption for Azure VMs' access policy (for KEK, also 'Key permissions: Unwrap Key' and 'Wrap Key'). Soft-delete is already enabled. The Key Vault firewall, if enabled, could also block access, but the question emphasizes 'most likely missing configuration' and the access policy is a prerequisite often overlooked. The VM's managed identity is not required for ADE itself (ADE uses the Azure platform identity).
What should I do if I get this AZ-500 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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