PCA Prometheus Fundamentals Practice Question
What is the primary language used to query Prometheus data?
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
✓
PromQL
PromQL (Prometheus Query Language) is the functional query language for 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.
- ✗
Regex
Why it's wrong here
Regex is used for matching patterns, not querying time series data.
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GraphQL
Why it's wrong here
GraphQL is an API query language.
- ✓
PromQL
Why this is correct
PromQL is the standard query language for Prometheus.
- ✗
SQL
Why it's wrong here
SQL is for relational databases.
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.