PCA Prometheus Fundamentals Practice Question
What is the default retention period for 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
✓
15 days
The default retention for local Prometheus storage is 15 days.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
1 year
Why it's wrong here
Not the default.
- ✗
30 days
Why it's wrong here
Requires manual configuration.
- ✓
15 days
Why this is correct
15 days is the default storage retention.
- ✗
7 days
Why it's wrong here
7 days is a common setting but not the default.
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One of 304 original PCA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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.