KCSA Compliance And Security Frameworks Practice Question
An enterprise security auditor is reviewing Kubernetes API server admission control configurations for compliance. Which THREE admission plugins or mechanisms are critical for enforcing security policies at admission time? (Choose THREE)
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
✓
ValidatingAdmissionWebhook
NodeRestriction, ValidatingAdmissionWebhook, and PodSecurity are key admission mechanisms for enforcing security policies.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
ValidatingAdmissionWebhook
Why this is correct
Webhooks allow external engines (like OPA Gatekeeper) to validate incoming requests.
- ✓
PodSecurity
Why this is correct
PodSecurity enforces Pod Security Standards at admission time.
- ✗
InsecureServing
Why it's wrong here
InsecureServing is not a valid admission plugin.
- ✓
NodeRestriction
Why this is correct
NodeRestriction limits what kubelet can modify, preventing node compromise escalation.
- ✗
AlwaysAllow
Why it's wrong here
AlwaysAllow bypasses validation and is rejected by security frameworks.
About these practice questions
This KCSA question is part of Courseiva's 320-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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.