JNCIA-DevOps Data Serialization Practice Question
An automation developer is designing a script that reads routing policy parameters from a configuration file. Which TWO data formats are natively supported and commonly used across Junos automation toolchains like PyEZ, Ansible, and REST APIs for data serialization? (Choose two)
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
✓
YAML
JSON and YAML are the primary lightweight data serialization formats universally utilized across modern network automation toolchains and APIs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
YAML
Why this is correct
YAML is extensively used for playbooks, variable definitions, and configuration templates in tools like Ansible and PyEZ.
- ✗
BMP
Why it's wrong here
BMP is an image file format and has no role in data serialization.
- ✓
JSON
Why this is correct
JSON is widely used by Junos REST APIs, Junos Telemetry Interface (JTI), and Python automation scripts.
- ✗
RTF
Why it's wrong here
Rich Text Format is a document file format, not used for data serialization in network automation.
- ✗
EXE
Why it's wrong here
EXE is a compiled executable binary format for Windows, unrelated to text-based data serialization.
About these practice questions
One of 307 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.