PCA Prometheus Fundamentals Practice Question
A batch job runs for only 30 seconds every hour. How should you expose these metrics to 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
✓
Use the Pushgateway
The Pushgateway is designed specifically for short-lived jobs that cannot be scraped directly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use the Pushgateway
Why this is correct
The Pushgateway allows transient jobs to push metrics to a persistent location.
- ✗
Use an exporter sidecar
Why it's wrong here
Sidecars are for long-running processes, not ephemeral batch jobs.
- ✗
Increase scrape interval to 1 hour
Why it's wrong here
The scrape interval does not control when the target process starts.
- ✗
Add a scrape_config for the batch job
Why it's wrong here
Prometheus cannot scrape a target that disappears before the scrape interval.
About these practice questions
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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.