Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A company stores highly sensitive data in Azure Blob Storage. They require encryption at rest using a customer-managed key. Additionally, they want to ensure that the key can only be used from the same Azure region as the storage account. Which configuration must they implement?
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
Distractor review
Store the key in a key vault in each region and use a managed identity to access the key vault.
Having multiple key vaults is unnecessary for a single storage account. The key must reside in the same region as the storage account.
B
Distractor review
Use a key stored in an Azure Key Vault with the 'Soft Delete' enabled.
Soft Delete is a data protection feature for key vaults, but it does not enforce region affinity.
C
Distractor review
Use an Azure Key Vault with 'Purge Protection' enabled.
Purge Protection is a retention feature, not related to region binding.
D
Best answer
Use an Azure Key Vault in the same region as the storage account (keys are region-bound by default).
Customer-managed keys must be stored in a key vault that resides in the same Azure region as the storage account; this is an inherent constraint.
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: Use an Azure Key Vault in the same region as the storage account (keys are region-bound by default). — Azure Key Vault keys are inherently region-bound. When you use a customer-managed key for encryption at rest, you must choose a key vault located in the same Azure region as the storage account. Keys from a key vault in a different region cannot be used. Therefore, the solution is simply to create the key vault in the same region as the storage account.
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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