PCA Instrumentation And Exporters Practice Question
When using the Pushgateway, what happens if you push a metric with the same name and labels as an existing one?
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
✓
It overwrites the old value
The Pushgateway overwrites the existing metric with the new value provided in the push request.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It overwrites the old value
Why this is correct
Pushgateway updates the metric group based on the provided set.
- ✗
It creates a new series
Why it's wrong here
Labels are the same, so it maps to the same series.
- ✗
It rejects the push
Why it's wrong here
It is designed to accept updates.
- ✗
It adds to the existing value
Why it's wrong here
It performs an overwrite, not an addition.
About these practice questions
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.