KCNA Cloud Native Observability Practice Question
Which of the following is true about Prometheus's pull-based model for collecting metrics?
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
✓
Prometheus scrapes metrics from HTTP endpoints
Prometheus pulls metrics from targets at regular intervals, which is the pull-based model.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Targets push metrics to Prometheus
Why it's wrong here
That describes a push-based model.
- ✗
Prometheus only collects metrics from Kubernetes API server
Why it's wrong here
Prometheus can scrape any target exposing metrics, not just the API server.
- ✓
Prometheus scrapes metrics from HTTP endpoints
Why this is correct
Prometheus pulls (scrapes) metrics from targets' /metrics endpoints.
- ✗
Prometheus stores metrics in a relational database
Why it's wrong here
Prometheus uses its own time-series database.
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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.