PCA Prometheus Fundamentals Practice Question
Which THREE conditions cause a scrape to be unsuccessful?
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
✓
Invalid metric format
Scrapes fail on network timeout, 404/500 errors, or if the target returns invalid text format.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
High memory usage
Why it's wrong here
Does not inherently fail the scrape.
- ✓
Invalid metric format
Why this is correct
Prevents parsing.
- ✓
HTTP 500 status code
Why this is correct
Target indicates internal error.
- ✗
Disk space low
Why it's wrong here
Does not inherently fail the scrape.
- ✓
Network connection timeout
Why this is correct
Prevents data retrieval.
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.