JNCIA-SEC Srx Series Service Gateways Practice Question
What is the primary function of the Junos OS 'commit check' command?
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 validates the syntax and semantic correctness of the candidate configuration without activating it.
'commit check' verifies the syntax and semantic validity of the candidate configuration without applying it.
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 checks the hardware temperature and fan speeds.
Why it's wrong here
Hardware status is checked via 'show chassis' commands.
- ✗
It verifies user password strength.
Why it's wrong here
It validates overall configuration syntax.
- ✓
It validates the syntax and semantic correctness of the candidate configuration without activating it.
Why this is correct
'commit check' tests configuration validity without committing changes to the running system.
- ✗
It checks for available software updates on the Juniper cloud.
Why it's wrong here
It does not check cloud update servers.
About these practice questions
Courseiva writes every JNCIA-SEC question from scratch — 513 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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 Juniper Networks exam blueprint
This JNCIA-SEC practice question is part of Courseiva's free Juniper Networks 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 JNCIA-SEC exam.