PCA Instrumentation And Exporters Practice Question
When running node_exporter, how can you disable specific collectors like 'textfile'?
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
✓
--no-collector.textfile
Collectors can be disabled using the --no-collector.<name> flag.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
collector.textfile=false
Why it's wrong here
This is not a valid flag configuration.
- ✓
--no-collector.textfile
Why this is correct
This is the correct flag to disable the textfile collector.
- ✗
exclude=textfile
Why it's wrong here
This is not the valid syntax for node_exporter flags.
- ✗
--disable-textfile
Why it's wrong here
The flag syntax requires --no-collector.<name>.
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.