KCNA Cloud Native Observability Practice Question
Which component of the metrics-server provides resource metrics like CPU and memory usage?
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
✓
metrics-server
The metrics-server collects resource metrics from kubelets and exposes them via the Metrics API.
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-apiserver
Why it's wrong here
The API server serves metrics, but the metrics-server provides them.
- ✓
metrics-server
Why this is correct
The metrics-server is the component that collects and serves resource metrics.
- ✗
kubelet
Why it's wrong here
The kubelet exposes metrics, but the metrics-server is a separate aggregator.
- ✗
Prometheus
Why it's wrong here
Prometheus can scrape metrics, but the metrics-server is the standard for resource metrics.
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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.