PCA Observability Concepts Practice Question
Which of these is considered a 'counter' in Prometheus?
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
✓
Total number of HTTP requests processed.
A counter is a cumulative metric that only ever goes up, used for things like request totals.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Temperature of a server room.
Why it's wrong here
This is a Gauge.
- ✗
Average latency over 5 minutes.
Why it's wrong here
This is typically a Histogram or Summary.
- ✗
Current memory usage of a process.
Why it's wrong here
This is a Gauge.
- ✓
Total number of HTTP requests processed.
Why this is correct
This is a classic counter.
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.