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Juniper JN0-103

JN0-103

Exam Code: JN0-103

Exam Name: Junos, Associate (JNCIA-Junos)

Updated: Jun 13, 2026

Q & A: 141 Questions and Answers

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About Juniper JN0-103 Exam

In recent years, many people choose to take Juniper JN0-103 certification exam which can make you get the Juniper certificate that is the passport to get a better job and get promotions.

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Exam Details

The Juniper JN0-103 exam can be taken in the English language. It is available to the individuals at a price of $200. This amount is applicable to the United States but may vary in other countries. Those students who are applying for this certification test in other countries should check the official website to find out its actual cost. The exam is proctored by Pearson VUE, a Juniper testing partner.

As for the structure, the test consists of about 65 multiple-choice questions. They are presented as multiple-choice items. All the questions included in the exam content are to be completed within the allocated duration of 90 minutes. The passing score for the test is subject to change and varies between 60% and 70%.

To prepare for the Juniper JN0-103 exam efficiently, the applicants can choose a variety of study approaches. For starters, the learners are recommended to sign up for the official training course, which is offered on the Juniper website. “Introduction to the Junos OS (IJOS)” is a paid instructor-led course developed for those individuals with intermediate or basic knowledge of networking or the candidates who are already working as the networking professionals.

Reference: https://www.juniper.net/us/en/training/certification/certification-tracks/ent-routing-switching-track?tab=jnciajunos

Juniper JN0-103 Exam Topics:

SectionObjectives
Configuration BasicsIdentify 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

Routing FundamentalsIdentify 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

Operational Monitoring and MaintenanceIdentify 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

User InterfacesIdentify 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)
Junos OS FundamentalsIdentify 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
Routing Policy and Firewall FiltersIdentify 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

How to book the Juniper JN0-103: Junos, Associate (JNCIA-Junos) Exam

These are following steps for registering the Juniper JN0-103 exam. Step 1: Visit to Pearson VUE Exam Registration Step 2: Signup/Login to Pearson VUE account Step 3: Search for Juniper JN0-103 Exam Certifications Exam Step 4: Select Date, time and confirm with payment method

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