- A
Cloud KMS software-backed keys, which are managed by Google and stored in Google's secure key management infrastructure
Why wrong: Cloud KMS software-backed keys meet FIPS 140-2 Level 1/2 but not Level 3. Software-backed keys are protected by Google's infrastructure but not stored in dedicated FIPS 140-2 Level 3 hardware. The requirement is specifically for HSM-backed storage.
- B
Customer-supplied encryption keys (CSEK), where the customer provides the key with each API request
Why wrong: CSEK allows customers to supply their own keys per-request, but these keys are provided to Google's software encryption layer, not stored in or managed by an HSM. The key management and HSM storage requirement is not met.
- C
Cloud HSM, which stores and manages keys in FIPS 140-2 Level 3 validated hardware security modules
Cloud HSM specifically addresses the FIPS 140-2 Level 3 requirement. Keys generated and stored in Cloud HSM never leave the HSM in plaintext form, and all cryptographic operations occur within the certified hardware. This is the correct answer for workloads requiring hardware-backed key storage at the highest FIPS level.
- D
Secret Manager, which stores API keys and credentials with automatic rotation
Why wrong: Secret Manager stores secrets (API keys, passwords, connection strings) securely, but it is not an HSM. It does not provide FIPS 140-2 Level 3 hardware-backed cryptographic key management.
FIPS 140-2 Level 3 HSM: Cloud HSM on Google Cloud
This GCDL practice question tests your understanding of trust and security with google cloud. 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.
A company is moving a regulated workload to Google Cloud and must ensure that their encryption keys are stored in a hardware security module (HSM) that meets FIPS 140-2 Level 3 validation. Which Google Cloud key management option satisfies this requirement?
Quick Answer
The answer is Cloud HSM, which stores and manages encryption keys in FIPS 140-2 Level 3 validated hardware security modules. This is the correct choice because Cloud HSM provides a dedicated, tamper-resistant hardware appliance that meets the strict physical security and key management requirements of FIPS 140-2 Level 3, ensuring keys are never exposed in software. On the Google Cloud Digital Leader exam, this scenario tests your ability to distinguish between Cloud HSM and Cloud KMS (which is software-backed and only FIPS 140-2 Level 1 or 2), and a common trap is assuming Cloud External Key Manager satisfies the requirement—it does not, as it relies on an external HSM you manage. For the exam, remember that if the question explicitly says “FIPS 140-2 Level 3” and “hardware security module,” the only Google Cloud native service that fits is Cloud HSM. Memory tip: “Level 3 needs a key in a box you can’t see inside”—Cloud HSM is that box.
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
Cloud HSM, which stores and manages keys in FIPS 140-2 Level 3 validated hardware security modules
Cloud HSM is the correct choice because it provides a dedicated HSM service that stores and manages encryption keys in FIPS 140-2 Level 3 validated hardware security modules. This directly meets the regulatory requirement for a hardware security module with that specific validation level, as opposed to software-backed or customer-supplied key options.
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 KMS software-backed keys, which are managed by Google and stored in Google's secure key management infrastructure
Why it's wrong here
Cloud KMS software-backed keys meet FIPS 140-2 Level 1/2 but not Level 3. Software-backed keys are protected by Google's infrastructure but not stored in dedicated FIPS 140-2 Level 3 hardware. The requirement is specifically for HSM-backed storage.
- ✗
Customer-supplied encryption keys (CSEK), where the customer provides the key with each API request
Why it's wrong here
CSEK allows customers to supply their own keys per-request, but these keys are provided to Google's software encryption layer, not stored in or managed by an HSM. The key management and HSM storage requirement is not met.
- ✓
Cloud HSM, which stores and manages keys in FIPS 140-2 Level 3 validated hardware security modules
Why this is correct
Cloud HSM specifically addresses the FIPS 140-2 Level 3 requirement. Keys generated and stored in Cloud HSM never leave the HSM in plaintext form, and all cryptographic operations occur within the certified hardware. This is the correct answer for workloads requiring hardware-backed key storage at the highest FIPS level.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Secret Manager, which stores API keys and credentials with automatic rotation
Why it's wrong here
Secret Manager stores secrets (API keys, passwords, connection strings) securely, but it is not an HSM. It does not provide FIPS 140-2 Level 3 hardware-backed cryptographic key management.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Cloud KMS software-backed keys (which are FIPS 140-2 Level 1) with Cloud HSM (Level 3), or they assume that any Google-managed key service automatically meets high-level FIPS validation, ignoring the specific Level 3 requirement for hardware-based protection.
Detailed technical explanation
How to think about this question
Cloud HSM uses FIPS 140-2 Level 3 validated HSMs that are integrated with Cloud KMS, allowing customers to create and manage keys entirely within the HSM boundary. Under the hood, each key is generated and stored in a dedicated HSM partition, and all cryptographic operations (e.g., signing, encryption) are performed inside the HSM, ensuring the key material never leaves the hardware. In a real-world scenario, a financial institution subject to PCI DSS or GDPR might use Cloud HSM to meet strict key storage requirements while leveraging Google Cloud's managed infrastructure.
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 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. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. 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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Trust and security with Google Cloud — study guide chapter
Learn the concepts, then practise the questions
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Trust and security with Google Cloud practice questions
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FAQ
Questions learners often ask
What does this GCDL question test?
Trust and security with Google Cloud — This question tests Trust and security with Google Cloud — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud HSM, which stores and manages keys in FIPS 140-2 Level 3 validated hardware security modules — Cloud HSM is the correct choice because it provides a dedicated HSM service that stores and manages encryption keys in FIPS 140-2 Level 3 validated hardware security modules. This directly meets the regulatory requirement for a hardware security module with that specific validation level, as opposed to software-backed or customer-supplied key options.
What should I do if I get this GCDL 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.
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Last reviewed: Jun 11, 2026
This GCDL practice question is part of Courseiva's free Google Cloud 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 GCDL exam.
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