- A
Create a CMK with automatic rotation enabled, grant the database and storage service access via IAM roles, and validate the rotation process in a staging environment before production deployment.
This meets compliance using CMK, ensures auditable access via IAM, and mitigates risk by testing rotation in staging.
- B
Continue using cloud-provider-managed keys and implement additional logging to meet audit requirements.
Why wrong: This does not satisfy the customer-managed key requirement.
- C
Use a CMK with manual rotation to have full control over the rotation schedule and avoid any potential downtime.
Why wrong: Manual rotation is error-prone and does not meet the automatic rotation requirement; also, it increases operational burden.
- D
Implement client-side encryption with a key stored in a secure vault and disable server-side encryption.
Why wrong: Client-side encryption may not be supported by managed services and adds complexity; also, key rotation would be manual.
CCSP Cloud Application Security Practice Question
This CCSP practice question tests your understanding of cloud application security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
You are a cloud security engineer for a financial services company. The company has developed a cloud-native application that processes credit card transactions and stores sensitive financial data. The application is deployed on a Kubernetes cluster in a public cloud provider. The compliance team requires that all data at rest be encrypted using a customer-managed key (CMK) with automatic rotation. The application uses a managed database service (e.g., Amazon RDS) and object storage (e.g., Amazon S3) for storing transaction logs. The current configuration uses cloud-provider-managed keys for both services. The development team is concerned that enabling CMK with automatic rotation might cause application downtime due to key rotation latency. Additionally, the security team wants to ensure that access to the keys is auditable. Which course of action BEST addresses the compliance requirement while minimizing risk?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
Create a CMK with automatic rotation enabled, grant the database and storage service access via IAM roles, and validate the rotation process in a staging environment before production deployment.
Option A is correct because it directly satisfies the compliance requirement for customer-managed keys (CMK) with automatic rotation, while mitigating the risk of downtime by validating the rotation process in a staging environment. Using IAM roles to grant the database and storage service access to the CMK ensures that key access is auditable via CloudTrail, meeting the security team's audit requirement. This approach allows the development team to test and confirm that key rotation latency does not cause application downtime before production deployment.
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.
- ✓
Create a CMK with automatic rotation enabled, grant the database and storage service access via IAM roles, and validate the rotation process in a staging environment before production deployment.
Why this is correct
This meets compliance using CMK, ensures auditable access via IAM, and mitigates risk by testing rotation in staging.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Continue using cloud-provider-managed keys and implement additional logging to meet audit requirements.
Why it's wrong here
This does not satisfy the customer-managed key requirement.
- ✗
Use a CMK with manual rotation to have full control over the rotation schedule and avoid any potential downtime.
Why it's wrong here
Manual rotation is error-prone and does not meet the automatic rotation requirement; also, it increases operational burden.
- ✗
Implement client-side encryption with a key stored in a secure vault and disable server-side encryption.
Why it's wrong here
Client-side encryption may not be supported by managed services and adds complexity; also, key rotation would be manual.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the misconception that manual rotation gives more control and avoids downtime, but the requirement explicitly states 'automatic rotation,' and manual rotation introduces operational risk and does not guarantee zero downtime.
Detailed technical explanation
How to think about this question
AWS KMS CMK automatic rotation creates new backing key material annually (or as configured) without changing the key ID, so existing encrypted data remains decryptable without re-encryption. Rotation latency is minimal (typically sub-second) because the key is cached by the service, but testing in staging is prudent to verify that the application's connection pools or retry logic handle any transient delays. The use of IAM roles with KMS key policies enables fine-grained access control and audit trails via CloudTrail, which logs every Decrypt and GenerateDataKey call.
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
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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this CCSP question test?
Cloud Application Security — This question tests Cloud Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a CMK with automatic rotation enabled, grant the database and storage service access via IAM roles, and validate the rotation process in a staging environment before production deployment. — Option A is correct because it directly satisfies the compliance requirement for customer-managed keys (CMK) with automatic rotation, while mitigating the risk of downtime by validating the rotation process in a staging environment. Using IAM roles to grant the database and storage service access to the CMK ensures that key access is auditable via CloudTrail, meeting the security team's audit requirement. This approach allows the development team to test and confirm that key rotation latency does not cause application downtime before production deployment.
What should I do if I get this CCSP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 30, 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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