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CAS-004 Practice Question: Which TWO of the following are advantages of…
Which TWO of the following are advantages of using a hardware security module (HSM) over a software-based cryptographic module? (Select exactly 2.)
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
✓
Physical tamper resistance and protection against key extraction.
Options C and E are correct. A hardware security module (HSM) provides physical tamper resistance and dedicated hardware accelerators, making cryptographic operations faster and more secure than software-based modules. Option A is incorrect because HSMs are generally harder to deploy in cloud environments due to physical hardware requirements. Option B is incorrect because HSMs do not automatically receive security patches; they require manual updates and careful management. Option D is incorrect because HSMs are typically more expensive than software-based cryptographic modules.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Easier to deploy in cloud environments than software.
Why it's wrong here
While HSMs offer superior security, they are typically physical appliances requiring dedicated infrastructure, making them more challenging and costly to deploy in cloud environments compared to software-based solutions that can be provisioned as virtual machines or containers. This option is tempting because HSMs are indeed designed for high-security applications, and their physical separation from general-purpose computing environments provides a strong defence against software-based attacks, making them ideal for on-premises critical infrastructure or highly regulated industries.
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Automatically receive security patches without manual intervention.
Why it's wrong here
HSMs require planned updates, and patching is not automatic; they are managed by the organization.
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Physical tamper resistance and protection against key extraction.
Why this is correct
HSMs are designed to resist physical attacks, making them more secure for key storage.
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Lower cost than software modules.
Why it's wrong here
HSMs are specialized hardware and typically more expensive than software solutions.
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Faster cryptographic operations due to dedicated hardware accelerators.
Why this is correct
HSMs include specialized chips that offload and accelerate cryptographic functions.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 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 CAS-005 exam.