- A
Customer-supplied keys (CSEK) for each operation
Why wrong: CSEK does not support automatic rotation; keys are supplied per request.
- B
Bring your own key (BYOK) with rotation configured in cloud KMS
BYOK allows importing keys and managing rotation in cloud KMS.
- C
Default server-side encryption using provider-managed keys
Why wrong: Provider-managed keys do not allow customer-controlled rotation.
- D
Customer-managed keys (CMEK) with automatic rotation in cloud KMS
CMEK allows the customer to set rotation policies and control access.
- E
Hold your own key (HYOK) with on-premises HSM
Why wrong: HYOK does not typically support automatic rotation by cloud KMS.
Question 752 of 1,000
CCSP Cloud Data Security Practice Question
This CCSP practice question tests your understanding of cloud data security. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 security architect is designing a key management strategy for a cloud environment. They need to ensure that keys are rotated automatically and that the cloud service cannot access the key without explicit authorization. Which TWO options should they consider? (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
✓
Bring your own key (BYOK) with rotation configured in cloud KMS
Customer-managed keys (CMEK) allow the customer to control key lifecycle in cloud KMS, and BYOK enables importing keys from on-premises while still using cloud KMS for rotation.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Customer-supplied keys (CSEK) for each operation
Why it's wrong here
CSEK does not support automatic rotation; keys are supplied per request.
- ✓
Bring your own key (BYOK) with rotation configured in cloud KMS
Why this is correct
BYOK allows importing keys and managing rotation in cloud KMS.
Related concept
Authentication checks who the user is.
- ✗
Default server-side encryption using provider-managed keys
Why it's wrong here
Provider-managed keys do not allow customer-controlled rotation.
- ✓
Customer-managed keys (CMEK) with automatic rotation in cloud KMS
Why this is correct
CMEK allows the customer to set rotation policies and control access.
Related concept
Authentication checks who the user is.
- ✗
Hold your own key (HYOK) with on-premises HSM
Why it's wrong here
HYOK does not typically support automatic rotation by cloud KMS.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related CCSP questions on access control and AAA configuration.
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Cloud Data Security — study guide chapter
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FAQ
Questions learners often ask
What does this CCSP question test?
Cloud Data Security — This question tests Cloud Data Security — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Bring your own key (BYOK) with rotation configured in cloud KMS — Customer-managed keys (CMEK) allow the customer to control key lifecycle in cloud KMS, and BYOK enables importing keys from on-premises while still using cloud KMS for rotation.
What should I do if I get this CCSP question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related CCSP questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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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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