JNCIA-DevOps Junos Automation Stack And DevOps Concepts Practice Question
An operations team is applying DevOps principles to network automation on Junos devices. They want to ensure that all changes to device operational states and configurations are treated as disposable and repeatable. Which DevOps practice best describes rebuilding device configurations completely from centralized version-controlled templates rather than performing manual incremental hot-patches?
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
✓
Immutable infrastructure and declarative provisioning
Infrastructure as Code (IaC) and immutable infrastructure treat configurations as reproducible artifacts generated from source control rather than mutable, long-lived states modified ad-hoc.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Stateful configuration drift management
Why it's wrong here
Drift management detects and corrects discrepancies rather than enforcing a clean rebuild paradigm.
- ✗
Blue-green circuit provisioning
Why it's wrong here
Blue-green deployment refers to routing traffic between two identical production environments during upgrades.
- ✓
Immutable infrastructure and declarative provisioning
Why this is correct
Declarative provisioning and immutable approaches replace manual hot-patches with clean, version-controlled configuration generation.
- ✗
Event-driven telemetry ingestion
Why it's wrong here
Telemetry ingestion deals with streaming operational data out of the device, not applying configurations.
About these practice questions
Courseiva writes every JNCIA-DevOps question from scratch — 306 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-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.