Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A company stores sensitive data in Azure Blob Storage. They want to ensure that the data is encrypted at rest using a customer-managed key (CMK) stored in Azure Key Vault. Additionally, they need the ability to immediately make the data inaccessible in case of a security breach. Which configuration on the storage account enables this?
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
Enable Azure Storage encryption with a customer-managed key (CMK)
CMK gives the customer control over the encryption keys. Revoking the key in Key Vault immediately blocks access to the data, meeting the security requirement.
B
Distractor review
Enable infrastructure encryption
Infrastructure encryption uses platform-managed keys for an additional layer of encryption (double encryption), but it does not provide the customer capability to revoke keys on demand.
C
Distractor review
Enable soft delete for the storage account
Soft delete protects data from accidental deletion, but it does not control encryption keys or the ability to restrict access based on key revocation.
D
Distractor review
Enable Azure AD authentication for Blob Storage
Azure AD authentication controls access to storage, but it does not affect encryption at rest or provide key revocation capabilities.
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.
More questions from this exam
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: Enable Azure Storage encryption with a customer-managed key (CMK) — Azure Storage encryption with a customer-managed key (CMK) allows you to provide your own encryption key stored in Azure Key Vault. If you suspect a breach, you can revoke access to the key (e.g., disable or delete the key) in Key Vault, which instantly renders the encrypted data inaccessible because Azure Storage cannot decrypt it. This is the fundamental benefit of CMK.
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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