PCA Instrumentation And Exporters Practice Question
Which THREE of the following are standard ways to handle Prometheus metrics?
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 official client libraries
Common methods include using official client libraries, using exporters, and the textfile collector.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Directly update Prometheus files on disk
Why it's wrong here
This is not supported.
- ✓
Use official client libraries
Why this is correct
Correct.
- ✓
Use the node_exporter textfile collector
Why this is correct
Correct.
- ✗
Write metrics to a central database
Why it's wrong here
Prometheus is the database.
- ✓
Run community-supported exporters
Why this is correct
Correct.
About these practice questions
This PCA question is part of Courseiva's 304-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.