JNCIA Study Guide 2026
Everything you need to pass the JNCIA exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
JNCIA exam key facts
- The JNCIA-Junos exam (JN0-106) consists of 65 multiple-choice questions. Source
- Candidates get 90 minutes to complete the JNCIA-Junos (JN0-106) exam. Source
- HPE Networking sets the JNCIA-Junos passing score by statistical analysis and does not publish it in advance. The required score is shown on the candidate's score report after the exam. Source
- The JNCIA-Junos certification stays active for three years and expires if it is not renewed within that period. Source
📋 JNCIA Exam Format at a Glance
📚 JNCIA Topics to Study (33)
✍️ Sample JNCIA Questions & Answers
1. Which approach is recommended for implementing security fundamentals changes?
A structured change management process with proper testing minimizes risk and ensures successful implementation.
2. What are the two main operational modes in the Junos OS CLI?
The Junos OS CLI operates in operational mode for viewing system status and configuration mode for making changes to the system.
3. In Junos L3VPN, what is the function of a Route Target (RT)?
Route Targets are BGP extended communities that control VRF route import and export. A VRF exports routes with certain RT values; other VRFs import routes matching specific RT values, defining VPN connectivity topology.
4. What command is used to enter configuration mode in Junos OS?
The configure command switches the user from operational mode to configuration mode.
5. What is the purpose of a Junos CoS 'rewrite rule'?
Rewrite rules in Junos CoS modify the DSCP, 802.1p, or MPLS EXP code points in outgoing packet headers based on the packet's forwarding class and loss priority, propagating CoS markings to downstream devices.
6. How should you document network configuration configurations?
Centralized, accessible, and current documentation is essential for troubleshooting, disaster recovery, and knowledge sharing.
🎯 Free JNCIA Practice Tests
📖 JNCIA Guides & Articles
What Practice Test Geeks adds beyond an AI chat for JNCIA
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length JNCIA mock exam — 65 questions in 90 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed JNCIA question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable JNCIA cheat sheet you can print or save as a PDF.
- JNCIA flashcards built from the same question bank.
- Free JNCIA practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- juniper.net — Passing score, score validity, renewal · verified Oct 2026
- learningportal.juniper.net — Test delivery, eligibility, exam format, score release, time limit · verified Oct 2026