Juniper Networks · 2026 Edition
A complete preparation guide, edited by Johnson Ajibi, a network and security engineer with 12+ years' experience. Covers the exam format,all 5 blueprint domains, a week-by-week study plan, and proven tips for passing first time.
2–4 months
Prep time
Intermediate
Difficulty
65
Exam questions
Exam code
JNCIA-DevOps
Full name
Juniper Networks Automation and DevOps, Associate (JNCIA-DevOps, JN0-224)
Vendor
Juniper Networks
Duration
90 minutes
Questions
65 items
Domains covered
5 blueprint domains
Recommended experience
Foundational IT knowledge recommended
Typical prep time
2–4 months
Domain percentage weights are not currently available for this exam. The checklist below is still useful for planning your study.
Phase 1
NETCONF And XML API
Tip: Start with the official NETCONF And XML API objectives, then practise questions on it.
Phase 2
Python And PyEZ
Tip: Cover the Python And PyEZ objectives, then answer practice questions to confirm you can apply them.
Phase 3
Junos Automation Stack And DevOps Concepts
Tip: Cover the Junos Automation Stack And DevOps Concepts objectives, then answer practice questions to confirm you can apply them.
Phase 4
Data Serialization
Tip: Cover the Data Serialization objectives, then answer practice questions to confirm you can apply them.
Phase 5
Junos REST API
Tip: Finish with Junos REST API, then re-test your weakest earlier domain before a mock exam.
Study the official exam blueprint — weight percentages tell you exactly where to invest prep time.
Practise scenario-based questions regularly — every modern cert exam is scenario-heavy.
Use spaced repetition to retain what you've learned (Courseiva does this automatically).
Book your exam date once you're scoring 80%+ consistently on practice tests.
Review explanations for every wrong answer, not just the question — the 'why' is what makes it stick.
Apply everything in this guide with adaptive practice questions, detailed answer explanations, and domain analytics.