PCA Instrumentation And Exporters Practice Question
You want to monitor the status of a specific SSL certificate via blackbox_exporter. Which module is designed for this?
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
✓
http_2xx
The http_2xx module, when configured with TLS settings, can check certificate expiry via the probe_ssl_earliest_cert_expiry metric.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
tcp_connect
Why it's wrong here
TCP connect does not validate TLS certificates.
- ✗
ssl_check
Why it's wrong here
There is no built-in module named ssl_check.
- ✓
http_2xx
Why this is correct
The http_2xx module is used to probe TLS certificates.
- ✗
cert_monitor
Why it's wrong here
This is not a standard module.
About these practice questions
This PCA question is part of Courseiva's 304-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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.