PCA Prometheus Fundamentals Practice Question
Which component allows Prometheus to be scaled horizontally for high availability?
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
✓
Running identical instances in parallel
Prometheus instances are typically run in parallel to provide HA; there is no single 'scaling' component.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Using a Load Balancer
Why it's wrong here
Prometheus servers do not share traffic; they scrape independently.
- ✗
Pushgateway
Why it's wrong here
Pushgateway is not for HA scaling.
- ✗
Prometheus Operator
Why it's wrong here
The operator manages lifecycle, not scaling logic.
- ✓
Running identical instances in parallel
Why this is correct
Running multiple identical Prometheus servers is the standard way to achieve HA.
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.