JNCIA-DevOps Python And PyEZ Practice Question
An automation script needs to check if a Junos device supports a specific feature before executing an RPC. Which PyEZ property can be checked to inspect the software version loaded on the device?
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
✓
dev.facts['version']
dev.facts['version'] holds the Junos OS version string.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
dev.get_version()
Why it's wrong here
Incorrect. There is no method called get_version().
- ✗
dev.version
Why it's wrong here
Incorrect. Version is stored inside the facts dictionary.
- ✗
dev.os_version
Why it's wrong here
Incorrect. os_version is not a standard attribute.
- ✓
dev.facts['version']
Why this is correct
Correct. dev.facts contains system details including the software version string.
About these practice questions
One of 306 original JNCIA-DevOps 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 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.