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Junos Fundamentals: JNCIA-Junos Certification Guide

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Junos Fundamentals: JNCIA-Junos Certification Guide

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Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

2 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

2 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Understand essential networking concepts like IPv4, IPv6, and routing.

  • Learn to configure and maintain Juniper devices through CLI and J-Web.

  • Master routing policies and firewall filters for network security.

  • Troubleshoot and perform operational monitoring on Junos devices.

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Recently updated!

September 2025

Assessments

8 assignments

Taught in English

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There are 7 modules in this course

In this module, we will lay the groundwork for networking by covering essential terminologies, network components, and topologies. You will also gain hands-on experience with IP addressing schemes, physical cabling, and the key differences between TCP and UDP protocols, providing a comprehensive understanding of networking fundamentals.

What's included

11 videos1 reading

In this module, we will explore the core components of Junos OS, including its architecture and the roles of the control and forwarding planes. You will also learn about the traffic processing mechanisms that drive the operation of Junos OS, which is crucial for understanding how Juniper devices manage network traffic.

What's included

3 videos1 assignment1 plugin

In this module, we will guide you through the essential user interfaces of Junos, focusing on the Command-Line Interface (CLI) and J-Web. You will gain the skills needed to work with Junos configurations, navigate the CLI, and manage devices using the intuitive J-Web interface.

What's included

5 videos1 assignment1 plugin

In this module, we will cover the foundational configuration tasks needed to manage Juniper devices effectively. You will learn about initial setups, authentication configurations, and how to use logging and tracing to monitor and troubleshoot devices. Additionally, you will explore more advanced configuration techniques for enhanced device management.

What's included

5 videos1 assignment1 plugin

In this module, we will introduce you to the critical aspects of monitoring and maintaining Juniper devices. You will learn how to gather operational data, troubleshoot issues, and apply effective maintenance techniques to ensure the continuous performance of your network devices.

What's included

3 videos1 assignment1 plugin

In this module, we will dive into the fundamentals of routing, including how routing and forwarding tables function within a network. You will also understand how dynamic routing protocols operate and how traffic forwarding decisions are made in the context of Junos OS.

What's included

4 videos1 assignment1 plugin

In this module, we will focus on the configuration of routing policies and firewall filters. You will learn how to apply routing policies to control network traffic and implement firewall filters for enhanced security and traffic management within the Junos OS environment.

What's included

4 videos3 assignments

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