Juniper Junos Associate (JNCIA-Junos JN0-103) Practice Exam - RETIRED

Juniper Junos Associate (JNCIA-Junos JN0-103)


Exam updated to Latest Version -  Juniper Junos Associate (JNCIA-Junos JN0-103) 


About Juniper Junos Associate (JNCIA-Junos JN0-103) 

The Juniper Junos Associate (JNCIA-Junos JNO-103) examination is specially designed for candidates who have basic or intermediate knowledge of networking or are working as networking professionals. This written exam demonstrates the core understanding and functionality of the juniper networks Junos OS.



Exam Details

JNCIA-Junos exam topics are based on the content of the recommended instructor-led training courses, as well as additional resources.


  • Exam code: JN0-103
  • Administered by Pearson VUE
  • Exam length: 90 minutes
  • Exam type: 65 multiple-choice questions
  • Scoring and pass/fail status is available immediately
  • Junos Software Release: 19.4


Course Outline for Juniper Junos Associate (JNCIA-Junos JN0-103)

The Juniper Junos Associate (JNCIA-Junos JN0-103) Exam covers the following topics - 


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

Identify the concepts, operation or functionality of the Junos 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)


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


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


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


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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