Course Overview

The "Juniper JNCIA-JUNOS (JN0-103) with LABS" course is designed for networking professionals aiming to master Juniper Networks technologies and prepare for the JNCIA-JUNOS certification exam. Juniper devices are widely used in enterprise and service provider networks due to their robustness, scalability, and powerful Junos OS. This course equips learners with essential skills to configure, manage, and troubleshoot Juniper devices. Gaining proficiency in Junos OS is critical for anyone pursuing a career in network engineering, especially in environments where reliability and performance are paramount.

This course begins with the basics of Juniper certifications and how to access Juniper routers. It then covers Junos OS architecture, CLI navigation, configuration hierarchy, and user interface essentials. Learners explore configuration basics, such as user accounts, interface properties, logging, and tracing. It also dives into operational monitoring, maintenance, and the fundamentals of routing including static and dynamic routes, routing tables, and routing instances. Advanced topics include routing policies, firewall filters, and Unicast RPF. A bonus section strengthens foundational networking knowledge with IP addressing, subnetting, OSI model, TCP/IP protocols, ARP, and Ethernet concepts.

Master configuration, monitoring, and routing with Junos OS, and confidently pursue JNCIA-JUNOS certification through hands-on labs and real-world scenarios.

What You Will Learn

  • Learn the topics for the JNCIA-JUNOS JN0-103
  • Learn all JNCIA concepts and apply them in practical LABS
  • Be ready for the Juniper JN0-103 JNCIA Exam Date & Time

Program Curriculum

  • Pre-requisite - Network Basics
  • What are Juniper Exams and Certificates
  • Connecting to the Juniper Router via Console
  • Connecting to the Console via Putty, Tera Term and SecureCRT
  • Juniper Root Password Recovery
  • $7 Million Cybersecurity Scholarship by EC-Council

  • Introduction to Junos OS Fundamentals
  • Software Architecture, Control and Forwarding Planes
  • Routing Engine and Packet Forwarding Engine
  • Transit Traffic Processing
  • Exception Traffic
  • Chapter 2 Quiz

  • CLI Functionality
  • CLI Modes
  • CLI Navigation
  • CLI Help
  • Filtering Output
  • Active Versus Candidate Configuration
  • Reverting to Previous Configurations Using Rollback
  • Understand Configuration Command
  • Junos Configuration Hierarchy
  • Navigating the Configuration Hierarchy on Junos
  • Usage of Junos Commit
  • J-Web (Core/Common Functionality Only)
  • Chapter 3 Quiz

  • Factory-Default State
  • Initial Configuration
  • User Accounts
  • Login Classes
  • User Authentication
  • Rescue Configuration
  • Configuration Groups
  • Configuration Archival
  • Interface Types and Properties - Theory
  • Interface Types and Properties - LAB
  • System Log Explanation
  • Syslog LAB
  • Tracing
  • Chapter 4 Quiz

  • Show Commands
  • Monitor Commands
  • Interface Statistics and Errors
  • Network Tool, Such as Ping, Traceroute, Telnet, SSH and FTP
  • Junos OS Installation and Upgrades
  • Rebooting and Shutting Down Junos Devices
  • Chapter 5 Quiz

  • Why We Need Routing in Our Network and What Is the Function of the Router
  • Static Route vs Dynamic Route
  • Routing Versus Forwarding Table
  • Routing and Forwarding Table LAB
  • Static Routing
  • Route Preference
  • Routing Instances

  • Import, Export and Default Routing Policies
  • Understand the Structure of the Routing Policies
  • Routing Policy LAB
  • Configuring Firewall Filters
  • Unicast Reverse Path Forwarding (RPF)
  • Chapter 7 Quiz

  • OSI Model, Encapsulation vs De-Encapsulation, Protocol Data Unit (PDU)
  • TCP/IP, CSMA/CD, Collision Domain & Broadcast Domain
  • Understanding ARP, Unicast, Broadcast and Multicast
  • TCP vs UDP - Explained
  • Understand IP Addressing (Public vs Private) and Subnet Mask
  • Decimal to Binary Conversion and vice versa
  • Subnetting Calculation
  • How to Calculate a Summary Address
  • Introduction to LAN (Ethernet, Straight-through, Crossover, Fiber)
  • How the Switch Learn the Addresses
  • Chapter 8 Quiz
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Instructor

Maher Haddad

Hello everyone. My name is Maher Haddad with a very long experience in the IT sector. I hold a bachelor's in computer communications and a master's in computer science. I work as a trainer and I hold the following certificates: CCNA, CCNA Security, CCNA Voice, CCDA, CCNP R&S, CCDP, Microsoft MCP, Microsoft MCSA, MikroTik MTCNA & MTCRE, MTCWE, MTCUME, MTCTCE, MTCINE, MTCSE, Huawei HCNA, CWTS, LigoWave NFT engineer, LigoWave DLB Engineer, Fortinet NSE1, Fortinet NSE2, GVF Level1, GVF level2, GVF Level3 and much more. My experience in IT goes to year 2003 and I have been working all my life for international Internet Service Providers (ISPs) in different countries in the world. You can visit my Facebook page as well as my YouTube channel where I set a lot of online labs. I hope you will enjoy watching my courses.

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