PCA Prometheus Fundamentals Practice Question
What is the purpose of the 'up' metric?
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
✓
To indicate if a target is reachable
The 'up' metric is 1 if the target was successfully scraped and 0 otherwise.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To show system uptime
Why it's wrong here
System uptime is a different metric.
- ✗
To measure request latency
Why it's wrong here
Latency is measured by other metrics.
- ✗
To track CPU usage
Why it's wrong here
CPU metrics are separate.
- ✓
To indicate if a target is reachable
Why this is correct
The 'up' metric reflects scrape success status.
About these practice questions
Courseiva writes every PCA question from scratch — 304 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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 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.