PCA Instrumentation And Exporters Practice Question
Which tool would you use to monitor the availability of a website from various geographic locations?
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
✓
blackbox_exporter
The blackbox_exporter is the standard tool for probing the availability of HTTP, TCP, or DNS services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
node_exporter
Why it's wrong here
Node exporter monitors local machine health.
- ✓
blackbox_exporter
Why this is correct
Blackbox exporter is designed for external probing.
- ✗
Pushgateway
Why it's wrong here
Pushgateway is for metric ingestion.
- ✗
Prometheus API
Why it's wrong here
The API is not a probe tool.
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.