KCSA Compliance And Security Frameworks Practice Question
A security team is implementing NIST SP 800-190 guidelines for container runtime security. Which kernel feature is leveraged by container runtimes to restrict system calls and meet least-privilege execution requirements?
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 profiles
Seccomp (secure computing mode) filters system calls made by containers, aligning with NIST guidelines to restrict container capabilities and reduce 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 profiles
Why this is correct
Seccomp restricts the system calls a containerized process can make.
- ✗
cgroups v2
Why it's wrong here
cgroups manage resource allocation like CPU and memory.
- ✗
AppArmor MAC profiles
Why it's wrong here
AppArmor restricts program capabilities via file access, but seccomp specifically filters system calls.
- ✗
Namespaces
Why it's wrong here
Namespaces provide process isolation, not system call filtering.
About these practice questions
One of 320 original KCSA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This KCSA practice question is part of Courseiva's free CNCF / Linux Foundation 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 KCSA exam.