KCSA Kubernetes Cluster Component Security Practice Question
Which THREE of the following are key components of the Kubernetes control plane? (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
✓
kube-scheduler
The API server, scheduler, and controller manager are core control plane components.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
kube-scheduler
Why this is correct
The scheduler assigns pods to nodes.
- ✗
container runtime (e.g., containerd)
Why it's wrong here
The container runtime runs on worker nodes to execute containers.
- ✓
kube-controller-manager
Why this is correct
The controller manager runs core control loops.
- ✗
kube-proxy
Why it's wrong here
Kube-proxy runs on worker nodes, not as a core control plane binary.
- ✓
kube-apiserver
Why this is correct
The API server is the primary control plane component.
About these practice questions
Courseiva writes every KCSA question from scratch — 320 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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.