PCA Instrumentation And Exporters Practice Question
Which THREE of the following are valid metric types supported natively by Prometheus client libraries?
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
✓
Histogram
The four core metric types in Prometheus are Counter, Gauge, Histogram, and Summary.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Histogram
Why this is correct
Histogram is a valid native metric type.
- ✓
Counter
Why this is correct
Counter is a valid native metric type.
- ✓
Gauge
Why this is correct
Gauge is a valid native metric type.
- ✗
Snapshot
Why it's wrong here
Snapshot is not a standard Prometheus metric type.
- ✗
Set
Why it's wrong here
Set is not a standard Prometheus metric type.
About these practice questions
One of 304 original PCA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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 PCA 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 PCA exam.