CAS-004 Security Architecture Practice Question
An organization is deploying containerized applications and needs to enforce security policies that restrict the system calls a container can make. Which Linux security module should be used?
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
✓
seccomp
seccomp (secure computing mode) allows filtering of system calls, reducing the kernel attack surface.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
seccomp
Why this is correct
seccomp can restrict system calls available to a container.
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AppArmor
Why it's wrong here
AppArmor uses mandatory access control (MAC) for programs, not specifically for system call filtering.
- ✗
chroot
Why it's wrong here
chroot changes the root directory, not system call filtering.
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SELinux
Why it's wrong here
SELinux provides MAC but does not filter system calls directly.
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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.