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Home » Firewall Training » Juniper Routing And Switching Associate (JNCIA-Junos)

Juniper Routing And Switching Associate (JNCIA-Junos)

Juniper Routing And Switching Associate (JNCIA-Junos)

Networking professionals with beginner-intermediate expertise of networking should pursue the JNCIA-Junos certification. Your understanding of the fundamental capabilities of the Juniper Networks Junos OS is validated by the written exam.

JNCIA-Junos serves as the entry-level certification for numerous certification tracks since it offers a fundamental understanding of the Juniper Networks core operating system:

  • Enterprise Routing and Switching Certification Track
  • Service Provider Routing and Switching Certification Track

Juniper Routing And Switching Associate (JNCIA-Junos) (1)

 

Exam Preparation

The materials listed below are ones we advise you use to get ready for your test. These tools aren’t necessary, though, and employing them doesn’t ensure exam success.

Recommended Training

Exam Resources

Additional Preparation
  • Getting Started with Networking
  • Introduction to the Junos OS (IJOS)
  • Industry/product knowledge
  • Juniper TechLibrary
  • Juniper Learning Portal

Exam Objectives

Here’s a high-level view of the skillset required to successfully complete the JNCIA-Junos certification exam.

Exam Objective

Description

Networking Fundamentals

Identify the concepts and functionality of various fundamental elements of networking

  • Collision domains and broadcast domains
  • Function of routers and switches
  • Ethernet networks
  • Layer 2 addressing, including address resolution
  • Layer 3 / IP addressing including subnet masks
  • IPv4 / IPv6
  • Subnetting and supernetting
  • Decimal to binary conversion
  • Longest match routing
  • CoS
  • Connection-oriented vs. connectionless protocols

Junos OS Fundamentals

Identify the concepts, benefits or functionality of the core elements of the Junos OS

  • Software architecture
  • Control and forwarding planes
  • Routing Engine and Packet Forwarding Engine
  • Transit traffic processing
  • Exception traffic

User Interfaces

Identify the concepts, operation or functionality of the Junos OS user interface

  • CLI functionality
  • CLI modes
  • CLI navigation
  • CLI Help
  • Filtering output
  • Active versus candidate configuration
  • Reverting to previous configurations
  • Modifying, managing, and saving configuration files
  • Viewing, comparing, and loading configuration files
  • J-Web (core/common functionality only)

Configuration Basics

Identify the main elements for configuring Junos devices

  • Factory-default state
  • Initial configuration
  • User accounts
  • Login classes
  • User authentication methods
  • Interface types and properties
  • Configuration groups
  • Additional initial configuration elements, such as NTP, SNMP, and syslog
  • Configuration archival
  • Logging and tracing
  • Rescue configuration

Describe how to configure basic components of a Junos device

Operational Monitoring and Maintenance

Identify methods of monitoring or maintaining Junos devices

  • Show commands
  • Monitor commands
  • Interface statistics and errors
  • Network tools, such as ping, traceroute, telnet, SSH, and so on
  • Junos OS installation and upgrades
  • Powering on and shutting down Junos devices
  • Root password recovery

Describe monitoring or maintenance procedures for a Junos device

Routing Fundamentals

Identify basic routing concepts or functionality for Junos devices

  • Traffic forwarding concepts
  • Routing tables
  • Routing versus forwarding tables
  • Route preference
  • Routing instances
  • Static routing
  • Advantages of and use cases for dynamic routing protocols

Describe how to configure or monitor basic routing elements for a Junos device

Routing Policy and Firewall Filters

Identify the concepts or functionality of routing policy and firewall filters on Junos devices

  • Default routing policies
  • Import and export policies
  • Routing policy flow
  • Effect of policies on routes and routing tables
  • Policy structure and terms
  • Policy match criteria, match types, and actions
  • Firewall filter concepts
  • Filter structure and terms
  • Filter match criteria and actions
  • Effect of filters on packets
  • Unicast reverse-path-forwarding (RPF)

Describe how to configure or monitor routing policies and firewall filters on a Junos device

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