AZ-500 Secure compute, storage, and databases Practice Question
This AZ-500 practice question tests your understanding of secure compute, storage, and databases. 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.
A company enables Azure Disk Encryption (ADE) on Windows virtual machines using a key encryption key (KEK) stored in Azure Key Vault. They want the KEK to be automatically rotated every 30 days to meet compliance requirements. Which Azure Key Vault feature should they enable?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Key rotation policy
A key rotation policy in Azure Key Vault allows you to define automatic rotation rules for keys, including a rotation interval (e.g., every 30 days) and a rotation time window. This feature ensures that the KEK is automatically replaced with a new key version at the specified interval without manual intervention, meeting compliance requirements for periodic key rotation.
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.
✓
Key rotation policy
Why this is correct
Key rotation policy enables automatic rotation of keys at a specified interval, such as every 30 days.
Related concept
Read the scenario before looking for a memorised answer.
✗
Key expiration date
Why it's wrong here
Setting an expiration date will deactivate the key at expiry but does not automatically create a new rotated key.
✗
Soft-delete
Why it's wrong here
Soft-delete allows recovery of accidentally deleted keys but does not provide automatic rotation.
✗
Purge protection
Why it's wrong here
Purge protection prevents permanent deletion of keys but does not help with key rotation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse key expiration (which only invalidates a key) with key rotation (which creates a new version and keeps the old one valid for a time), leading them to select 'Key expiration date' instead of 'Key rotation policy'.
Detailed technical explanation
How to think about this question
Azure Key Vault key rotation policies use a combination of a rotation interval (ISO 8601 duration, e.g., 'P30D' for 30 days) and an optional rotation time window to trigger automatic creation of new key versions. The rotation policy can be applied to both managed HSM keys and standard Key Vault keys, and it supports asymmetric keys (RSA, EC) as well as symmetric keys. In a real-world scenario, if the KEK is used for ADE, automatic rotation ensures that the disk encryption key (DEK) wrapped by the KEK remains compliant with policies requiring periodic re-wrapping, though the DEK itself is not re-encrypted unless the VM is re-provisioned or the disk is re-encrypted.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-500 question in full detail.
Secure compute, storage, and databases — This question tests Secure compute, storage, and databases — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Key rotation policy — A key rotation policy in Azure Key Vault allows you to define automatic rotation rules for keys, including a rotation interval (e.g., every 30 days) and a rotation time window. This feature ensures that the KEK is automatically replaced with a new key version at the specified interval without manual intervention, meeting compliance requirements for periodic key rotation.
What should I do if I get this AZ-500 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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Question Discussion
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