KCSA Kubernetes Cluster Component Security Practice Question
Which Kubernetes control plane component runs controllers that handle routine tasks such as replicating pods and managing service accounts?
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 kube-controller-manager houses core control loops including the replication controller, service account controller, and namespace controller.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CoreDNS
Why it's wrong here
CoreDNS manages cluster DNS.
- ✓
kube-controller-manager
Why this is correct
This component executes core reconciliation loops.
- ✗
etcd
Why it's wrong here
Etcd is the storage backend.
- ✗
kube-proxy
Why it's wrong here
Kube-proxy handles network proxying.
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.