The answer is the Azure Security Benchmark initiative. This is correct because the Azure Security Benchmark includes a specific built-in policy effect that audits storage accounts for customer-managed key (CMK) encryption, ensuring compliance with the benchmark’s encryption-at-rest requirements. On the AZ-500 exam, this question tests your ability to map regulatory frameworks to Azure Policy initiatives, a common scenario in the “Manage Security Operations” domain. A frequent trap is confusing the Azure Security Benchmark with CIS or NIST—remember that the Azure Security Benchmark is Microsoft’s own baseline, directly aligned with Azure’s native CMK audit capabilities, while other frameworks like ISO 27001 or NIST SP 800-53 lack a dedicated storage CMK policy. For a memory tip, think “ASB audits CMK”—the Azure Security Benchmark is the only initiative that explicitly checks for customer-managed keys on storage accounts.
AZ-500 Practice Question: Secure Azure using Microsoft Defender for Cloud and Microsoft Sentinel
This AZ-500 practice question tests your understanding of secure azure using microsoft defender for cloud and microsoft sentinel. 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.
You need to ensure that all Azure storage accounts in your subscription are encrypted at rest using customer-managed keys (CMK). Which Azure Policy initiative should you assign to audit compliance?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Security Benchmark
Option A is correct because Azure Security Benchmark includes a policy to audit storage accounts for CMK encryption. Option B is wrong because ISO 27001 doesn't specifically cover CMK. Option C is wrong because NIST SP 800-53 doesn't have a direct CMK audit policy. Option D is wrong because CIS Microsoft Azure Foundations Benchmark has a different scope.
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.
✗
NIST SP 800-53 Rev. 5
Why it's wrong here
NIST SP 800-53 does not include a direct audit policy for storage CMK.
✓
Azure Security Benchmark
Why this is correct
Azure Security Benchmark includes policy to audit storage accounts using CMK.
Related concept
Read the scenario before looking for a memorised answer.
✗
ISO 27001:2013
Why it's wrong here
ISO 27001 is a broader compliance framework, not a specific policy initiative for CMK.
✗
CIS Microsoft Azure Foundations Benchmark
Why it's wrong here
CIS benchmark includes recommendations but not a built-in Azure Policy initiative for this.
Common exam traps
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.
Detailed technical explanation
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.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-500 question in full detail.
Identify which AZ-500 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Secure Azure using Microsoft Defender for Cloud and Microsoft Sentinel — This question tests Secure Azure using Microsoft Defender for Cloud and Microsoft Sentinel — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Security Benchmark — Option A is correct because Azure Security Benchmark includes a policy to audit storage accounts for CMK encryption. Option B is wrong because ISO 27001 doesn't specifically cover CMK. Option C is wrong because NIST SP 800-53 doesn't have a direct CMK audit policy. Option D is wrong because CIS Microsoft Azure Foundations Benchmark has a different scope.
What should I do if I get this AZ-500 question wrong?
Identify which AZ-500 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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