- A
You can disable and re-enable AWS managed keys.
Why wrong: You cannot disable AWS managed keys.
- B
You cannot create customer managed keys; only AWS can create them.
Why wrong: You can create customer managed keys.
- C
AWS managed keys are free with no usage charges.
Why wrong: AWS managed keys have a per-request cost.
- D
Customer managed keys can be rotated automatically every year.
You can enable automatic rotation for customer managed keys.
- E
You can create and manage customer managed keys.
Customer managed keys are under your control.
Question 442 of 1,616
KMS Customer Master Keys: Key Management Facts
This DVA-C02 practice question tests your understanding of security. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: customer Managed Key (CMK). 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 developer is using AWS KMS to encrypt data. Which of the following are true about customer master keys (CMKs)? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Customer managed keys can be rotated automatically every year.
Options D and E are correct. Customer managed keys (CMKs) can be created and managed by the user, and automatic yearly rotation can be enabled. AWS managed keys cannot be rotated by the customer, cannot be disabled or re-enabled, and incur per-request charges. Option A is incorrect because AWS managed keys cannot be disabled or re-enabled. Option B is incorrect because customer managed keys can be created by users. Option C is incorrect because AWS managed keys incur per-request charges.
Key principle: Customer Managed Key (CMK)
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
You can disable and re-enable AWS managed keys.
Why it's wrong here
You cannot disable AWS managed keys.
- ✗
You cannot create customer managed keys; only AWS can create them.
Why it's wrong here
You can create customer managed keys.
- ✗
AWS managed keys are free with no usage charges.
Why it's wrong here
AWS managed keys have a per-request cost.
- ✓
Customer managed keys can be rotated automatically every year.
Why this is correct
You can enable automatic rotation for customer managed keys.
Related concept
Customer Managed Key (CMK)
- ✓
You can create and manage customer managed keys.
Why this is correct
Customer managed keys are under your control.
Related concept
Customer Managed Key (CMK)
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
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Customer Managed Key (CMK)
- AWS Managed Key
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
Customer Managed Key (CMK)
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Customer Managed Key (CMK) Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review customer Managed Key (CMK), then practise related DVA-C02 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this DVA-C02 question test?
Security — This question tests Security — Customer Managed Key (CMK).
What is the correct answer to this question?
The correct answer is: Customer managed keys can be rotated automatically every year. — Options D and E are correct. Customer managed keys (CMKs) can be created and managed by the user, and automatic yearly rotation can be enabled. AWS managed keys cannot be rotated by the customer, cannot be disabled or re-enabled, and incur per-request charges. Option A is incorrect because AWS managed keys cannot be disabled or re-enabled. Option B is incorrect because customer managed keys can be created by users. Option C is incorrect because AWS managed keys incur per-request charges.
What should I do if I get this DVA-C02 question wrong?
Review customer Managed Key (CMK), then practise related DVA-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Customer Managed Key (CMK)
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Last reviewed: Jun 20, 2026
This DVA-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DVA-C02 exam.
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