PCA Prometheus Fundamentals Practice Question
Which mechanism allows Prometheus to discover targets by reading a list from a file?
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
✓
file_sd_configs
file_sd_configs is designed to read target lists from JSON or YAML files.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
dns_sd_configs
Why it's wrong here
dns_sd_configs uses DNS lookups.
- ✗
static_configs
Why it's wrong here
static_configs are hardcoded in the config file itself.
- ✗
consul_sd_configs
Why it's wrong here
consul_sd_configs connects to a Consul API server.
- ✓
file_sd_configs
Why this is correct
file_sd_configs watches files for changes in target definitions.
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.