KCSA Platform Security Practice Question
An administrator wants to ensure that containers cannot execute any system calls related to module loading or debugging, such as 'init_module' or 'kexec_load'. Which security mechanism in Kubernetes allows applying a predefined system call filter to containers?
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 a container, allowing administrators to block dangerous calls like module loading.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Pod Disruption Budgets
Why it's wrong here
Pod Disruption Budgets govern voluntary disruptions during maintenance.
- ✗
Kubernetes NetworkPolicies
Why it's wrong here
NetworkPolicies filter network packets at layer 3/4, not system calls.
- ✗
ResourceQuotas
Why it's wrong here
ResourceQuotas limit aggregate resource consumption per namespace.
- ✓
Seccomp profiles
Why this is correct
Seccomp profiles allow or disallow specific system calls to restrict container capabilities and enhance isolation.
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.