JNCIA-DevOps Python And PyEZ Practice Question
When working with the PyEZ Config utility, which THREE actions can be performed using the configuration context manager or its methods? (Choose three)
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
✓
cu.validate()
The Config utility supports locking, loading configurations from various sources, validating, and rolling back.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
cu.gather_facts()
Why it's wrong here
Incorrect. Facts gathering is a Device method, not a Config method.
- ✓
cu.validate()
Why this is correct
Correct. Validating the candidate configuration checks for syntax errors.
- ✓
cu.load(path='config.conf', format='text')
Why this is correct
Correct. Loading configurations from files is a core Config function.
- ✓
cu.rollback()
Why this is correct
Correct. Rolling back reverts uncommitted changes in the candidate database.
- ✗
cu.upgrade_os()
Why it's wrong here
Incorrect. OS upgrades are handled by the SW utility, not Config.
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 Juniper Networks exam blueprint
This JNCIA-DevOps 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-DevOps exam.