The correct choice is a dedicated HSM with automated key rotation because it provides a tamper-resistant hardware appliance where the customer exclusively controls the encryption keys, ensuring the cloud provider has no access. This directly satisfies the compliance requirement for customer-managed encryption keys and the mandate that the provider cannot access the keys, while the HSM’s automated key rotation policies can be configured to meet the 90-day rotation schedule. On the CompTIA Cloud+ CV0-004 exam, this scenario tests your understanding of cloud compliance controls and the distinction between cloud-managed and customer-managed key solutions—a common trap is selecting a cloud KMS that still gives the provider logical access to the keys. Remember the memory tip: “HSM keeps the keys home, provider stays out of the dome.”
CV0-004 Cloud Architecture and Design Practice Question
This CV0-004 practice question tests your understanding of cloud architecture and design. 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.
A financial services company must store sensitive customer data in the cloud. The compliance team requires that data at rest be encrypted using customer-managed keys (CMK), and that the keys are rotated every 90 days. Additionally, the cloud provider must not have access to the keys. Which key management solution should the company choose?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a dedicated HSM (hardware security module) with automated key rotation
Option C is correct because a dedicated HSM provides a tamper-resistant hardware appliance where the customer exclusively controls the encryption keys, ensuring the cloud provider has no access. Automated key rotation policies can be configured on the HSM to meet the 90-day rotation requirement, satisfying both the CMK and provider non-access mandates.
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.
✗
Store the encryption keys in the cloud provider's parameter store with rotation policy
Why it's wrong here
Not a dedicated HSM.
✗
Use the cloud provider's default server-side encryption with a managed key
Why it's wrong here
Provider has access to managed keys.
✓
Use a dedicated HSM (hardware security module) with automated key rotation
Why this is correct
Dedicated HSM ensures exclusive customer control and supports rotation.
Related concept
Read the scenario before looking for a memorised answer.
✗
Implement client-side encryption using a third-party key management service
Why it's wrong here
May not be fully integrated.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a cloud provider's managed HSM service (e.g., AWS KMS with custom key store) with a dedicated HSM, but the former still allows the provider logical access to the key management plane, whereas a dedicated HSM enforces physical and logical isolation.
Detailed technical explanation
How to think about this question
A dedicated HSM (e.g., AWS CloudHSM or Azure Dedicated HSM) runs on single-tenant hardware that is FIPS 140-2 Level 3 validated, ensuring keys never leave the device in plaintext. Automated key rotation can be implemented via cryptographic operations that generate new key versions while retaining the old ones for decryption, all within the HSM's secure boundary. This architecture is critical for compliance frameworks like PCI DSS or SOC 2 that require exclusive customer control over key material.
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 practitioner preparing for the CV0-004 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
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.
Cloud Architecture and Design — This question tests Cloud Architecture and Design — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use a dedicated HSM (hardware security module) with automated key rotation — Option C is correct because a dedicated HSM provides a tamper-resistant hardware appliance where the customer exclusively controls the encryption keys, ensuring the cloud provider has no access. Automated key rotation policies can be configured on the HSM to meet the 90-day rotation requirement, satisfying both the CMK and provider non-access mandates.
What should I do if I get this CV0-004 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.
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 →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. An organization must comply with a regulation requiring that all data stored in the cloud be encrypted at rest using a cloud provider's native encryption service. The company also needs to maintain control over the encryption keys. Which solution should the architect recommend?
hard
✓ A.Use the cloud provider's native encryption service with customer-managed keys
B.Encrypt the data on-premises before uploading to the cloud
C.Use the cloud provider's default encryption with provider-managed keys
D.Use a third-party hardware security module (HSM) hosted on-premises
Why A: Option A is correct because the regulation requires cloud-native encryption at rest with customer-controlled keys. Cloud providers offer services like AWS KMS with customer-managed keys (CMKs) or Azure Key Vault with customer-managed keys, which allow the organization to create, rotate, and disable keys independently while the provider handles the underlying encryption of data at rest using envelope encryption. This satisfies both the 'native encryption service' and 'maintain control over the encryption keys' requirements.
Last reviewed: Jun 25, 2026
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This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.
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