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Keep shoppingJuniper JNCIA (JN0-106) Complete Course CLI Labs 2026
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Juniper JNCIA (JN0-106) Complete Course CLI Labs 2026
JNCIA-Junos JN0-106 | Learn Junos CLI, Routing, Switching, VLANs, Interfaces & Networking Fundamentals
Created byBiswajit Saha Net Defender Academy
Last updated 9/2026
English
What you'll learn
- Understand Junos OS architecture, routing engine, packet forwarding engine, and key networking concepts required for the JNCIA-Junos certification.
- Learn to navigate and operate the Junos CLI including operational mode, configuration mode, help commands, and configuration management.
- Configure and verify Layer 2 and Layer 3 networking features including VLANs, routing, interfaces, and basic security concepts in Junos OS.
- Prepare confidently for the JNCIA-Junos JN0-105 certification exam with practical demonstrations, explanations, and real networking scenarios.
- Understand Layer 2 networking concepts including VLANs, switching, MAC learning, and Ethernet switching basics.
- Learn basic Layer 3 routing concepts including OSPF fundamentals, routing tables, and packet forwarding in Junos devices.
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Course content
4 sections • 34 lectures • 13h 25m total length
Requirements
- Basic understanding of networking concepts such as IP addressing, subnetting, and routing is helpful but not required.
- No prior Juniper experience is required. This course starts from beginner concepts and gradually moves to certification-level topics.
- A computer or laptop with internet access to watch the lectures and follow along with demonstrations.
- Optional: Access to a Juniper lab environment such as vSRX, Junos VM, or network simulator for hands-on practice.
- Interest in learning networking fundamentals and Junos OS configuration.
Description
Are you preparing for the Juniper Networks Certified Associate – Junos (JNCIA-Junos JN0-106) certification?
This course is designed to help you master Junos OS fundamentals and confidently pass the JNCIA exam.
The JNCIA-Junos certification validates your understanding of networking fundamentals and Junos operating system concepts. In this course, you will learn the core technologies used in Juniper networks and gain practical knowledge of the Junos command-line interface (CLI) used by network engineers worldwide.
We start from the very basics, making this course perfect for beginners. You will first understand how Juniper devices work internally, including the Routing Engine, Packet Forwarding Engine, and Junos architecture. Then we move into hands-on configuration examples to help you understand real network scenarios.
Throughout the course, you will learn how to configure and verify interfaces, VLANs, Layer 2 switching, Layer 3 routing, and basic network services using Junos OS. You will also explore routing tables, packet forwarding processes, and troubleshooting commands that are important for real-world networking environments.
This course combines concept explanations, CLI demonstrations, and exam-focused lessons so that you can both understand networking fundamentals and prepare effectively for the JNCIA-Junos certification exam.
By the end of this course, you will have the confidence and knowledge required to take the JN0-105 exam and begin your journey toward advanced Juniper certifications.
If you want to build a strong networking foundation and start working with Juniper technologies, this course is for you.
Who this course is for:
- Students preparing for the JNCIA-Junos (JN0-105) certification exam.
- Beginners who want to start their career in networking using Juniper technologies.
- Network engineers who want to learn Junos OS and Juniper networking fundamentals.
- IT professionals transitioning from Cisco or other networking platforms to Juniper devices.
- Anyone interested in understanding networking fundamentals and Junos CLI operations.