KCNA Kubernetes Fundamentals Practice Question
Which three components are part of the Kubernetes control plane?
⚠ Common exam trap
A common mistake is to include kube-proxy or kubelet as control plane components because they are essential to cluster operation, but they actually run on every node and are not part of the control plane.
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-controller-manager
The Kubernetes control plane is responsible for maintaining the desired state of the cluster. The kube-controller-manager runs controller processes that handle routine tasks such as node management, replication, and endpoint management, making it a core control plane component.
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-controller-manager
Why this is correct
Correct.
- ✗
kube-proxy
Why it's wrong here
kube-proxy runs on worker nodes.
- ✓
kube-scheduler
Why this is correct
Correct.
- ✓
kube-apiserver
Why this is correct
Correct.
- ✗
kubelet
Why it's wrong here
kubelet runs on worker nodes.
Go deeper
Related to this question
About these practice questions
Courseiva writes every KCNA question from scratch — 833 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 by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.