- A
Cloud provider default encryption
Why wrong: Default encryption uses provider-managed keys; the customer cannot control rotation or policies.
- B
Customer-managed encryption keys (CMEK)
CMEK allows customers to manage keys in KMS, including rotation and access policies.
- C
Customer-supplied encryption keys (CSEK)
Why wrong: CSEK requires the customer to supply keys with each request; rotation is not automated via KMS.
- D
Bring your own key (BYOK)
Why wrong: BYOK involves importing keys from on-premises; rotation is managed by the customer but not necessarily automated via cloud KMS.
Question 143 of 1,000
CCSP Cloud Data Security Practice Question
This CCSP practice question tests your understanding of cloud data security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
An organization wants to use cloud KMS to manage encryption keys. They require automatic key rotation every 90 days and the ability to define granular access policies for who can use the keys. Which key management model should they choose?
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 encryption keys (CMEK)
Customer-managed encryption keys (CMEK) allow the customer to create and manage keys in cloud KMS, enabling automatic rotation and fine-grained access policies.
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.
- ✗
Cloud provider default encryption
Why it's wrong here
Default encryption uses provider-managed keys; the customer cannot control rotation or policies.
- ✓
Customer-managed encryption keys (CMEK)
Why this is correct
CMEK allows customers to manage keys in KMS, including rotation and access policies.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Customer-supplied encryption keys (CSEK)
Why it's wrong here
CSEK requires the customer to supply keys with each request; rotation is not automated via KMS.
- ✗
Bring your own key (BYOK)
Why it's wrong here
BYOK involves importing keys from on-premises; rotation is managed by the customer but not necessarily automated via cloud KMS.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
Got this wrong? Here's your next step.
Identify which CCSP 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.
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FAQ
Questions learners often ask
What does this CCSP question test?
Cloud Data Security — This question tests Cloud Data Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Customer-managed encryption keys (CMEK) — Customer-managed encryption keys (CMEK) allow the customer to create and manage keys in cloud KMS, enabling automatic rotation and fine-grained access policies.
What should I do if I get this CCSP question wrong?
Identify which CCSP 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jul 4, 2026
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.
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