JNCIA-DevOps Data Serialization Practice Question
A Python automation script extracts routing table entries from a Junos device. The data structure contains deeply nested dictionaries and lists. The engineer needs to perform a deep copy of this deserialized JSON structure before modifying it. Which Python module provides the deepcopy function needed to duplicate nested containers safely?
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
✓
copy
The 'copy' module in the Python standard library provides the deepcopy() function, which recursively clones nested dictionaries and lists.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
os
Why it's wrong here
Incorrect. The os module interacts with the operating system.
- ✓
copy
Why this is correct
Correct. The copy module provides deepcopy() for duplicating complex nested data structures.
- ✗
sys
Why it's wrong here
Incorrect. The sys module manages interpreter runtime variables.
- ✗
json
Why it's wrong here
Incorrect. The json module handles serialization, not object copying.
About these practice questions
This JNCIA-DevOps question is part of Courseiva's 307-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 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.