PCA Promql Practice Question
Which THREE of the following are valid time-range units in PromQL?
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
✓
m
s, m, h, d, w, y are all valid Prometheus duration units.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ns
Why it's wrong here
Nanoseconds is not a supported duration unit.
- ✓
m
Why this is correct
Minutes is a valid unit.
- ✗
ms
Why it's wrong here
Milliseconds is not a supported duration unit.
- ✓
h
Why this is correct
Hours is a valid unit.
- ✓
s
Why this is correct
Seconds is a valid unit.
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.