The correct choice is to deploy a CloudHSM cluster with at least two HSMs in different Availability Zones. This architecture ensures high availability and durability because CloudHSM uses a cluster-based model where cryptographic keys are automatically synchronized across all HSMs in the cluster; if one HSM fails, the others continue to serve requests without data loss. On the AWS Certified Security Specialty SCS-C02 exam, this scenario tests your understanding that CloudHSM is a physical hardware appliance requiring multi-AZ deployment for fault tolerance, not a software service that can be scaled like a virtual instance. A common trap is assuming a single HSM is sufficient or that CloudHSM replicates across regions automatically—it does not, as cross-region replication must be handled by your application. Remember the memory tip: “Two AZs for keys that please,” meaning always pair at least two HSMs across different Availability Zones to avoid a single point of failure.
SCS-C02 Data Protection Practice Question
This SCS-C02 practice question tests your understanding of data protection. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 uses AWS CloudHSM to generate and store encryption keys for a custom application. The security team needs to ensure high availability and durability of the keys. Which architecture should be recommended?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Deploy a CloudHSM cluster with at least two HSMs in different Availability Zones
Option B is correct because CloudHSM clusters with multiple HSMs provide high availability and durability. Option A is wrong because a single HSM is a single point of failure. Option C is wrong because CloudHSM is a hardware appliance, not a software service. Option D is wrong because CloudHSM does not automatically replicate to another region.
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.
✗
Use AWS KMS instead of CloudHSM for better durability
Why it's wrong here
CloudHSM can be durable with clustering.
✗
Deploy a single CloudHSM instance in one Availability Zone
Why it's wrong here
Single point of failure.
✗
Deploy CloudHSM in two AWS Regions with automatic replication
Why it's wrong here
Automatic cross-region replication is not supported.
✓
Deploy a CloudHSM cluster with at least two HSMs in different Availability Zones
Why this is correct
Provides redundancy and high availability.
Related concept
Read the scenario before looking for a memorised answer.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Identify which SCS-C02 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.
Data Protection — This question tests Data Protection — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Deploy a CloudHSM cluster with at least two HSMs in different Availability Zones — Option B is correct because CloudHSM clusters with multiple HSMs provide high availability and durability. Option A is wrong because a single HSM is a single point of failure. Option C is wrong because CloudHSM is a hardware appliance, not a software service. Option D is wrong because CloudHSM does not automatically replicate to another region.
What should I do if I get this SCS-C02 question wrong?
Identify which SCS-C02 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.
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This SCS-C02 practice question is part of Courseiva's free Amazon Web Services 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 SCS-C02 exam.
Question Discussion
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