PCA Instrumentation And Exporters Practice Question
Your application has a short-lived batch job that finishes before the Prometheus server can scrape it. What architectural component should be used?
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
✓
Pushgateway
The Pushgateway is designed to allow ephemeral and batch jobs to expose their metrics to Prometheus.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Prometheus API
Why it's wrong here
The API is for querying, not metric ingestion from ephemeral jobs.
- ✓
Pushgateway
Why this is correct
Pushgateway provides an intermediary for short-lived jobs to push metrics.
- ✗
Alertmanager
Why it's wrong here
Alertmanager handles alerts, not metric collection.
- ✗
node_exporter
Why it's wrong here
Node exporter is for long-running processes.
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.