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Exam Topics

The JN0-103 certification exam evaluates the students’ understanding of a wide range of skill areas. They are combined in a number of topics that are briefly discussed below:

• Junos OS Fundamentals

  Answering the questions within this objective, the test takers need to confirm their ability to define the concepts, functionality, or benefits of the key components of the Junos operating system. These include software architecture, packet forwarding engineer and routing engineer, control & forwarding planes, exception traffic, and transit traffic processing.

• Configuration Basis

  In the framework of this knowledge domain, the students need to validate their competency in identifying the major elements for configuring Junos devices. This means that they will be answering questions that focus on factory-default state, user accounts, initial configuration, login classes, user types & properties, user authentication methods, configuration groups, rescue configuration, logging and tracing, configuration archival, and additional initial configuration elements, such as Syslog, SNMP, and NTP.

• User Interfaces

  Within this subject area, the applicants are expected to demonstrate that they possess the ability to define the concepts, functionality, or benefits of the Junos user interface. This includes CLI functionality, navigation, modes, and help. They also need to show that they are well-conversant with filtering output, reverting to prior configurations, active versus candidate configuration, managing, modifying, and saving configuration files, and loading, comparing, and viewing files. They also need to demonstrate their understanding of J-Web (common/core functionality only).

• Routing Policies and Firewall Filters

  This area includes identifying the functionality or concepts of firewall filters and routing policy on Junos devices. Answering the questions within this objective, the individuals should demonstrate their competency in describing how to monitor or configure firewall filters and routing policies on a Junos device, unicast reverse-path-forwarding (RPF), effects of filters on packets, filter match criteria and actions, filter structure & terms, firewall filter concepts, policy match criteria, actions, and match types, policy structure and terms, routing policy flow, import and export policies, and default routing policies.

• Operations Monitoring and Maintenance

  This topic evaluates the candidates’ skills in identifying the methods of maintaining or monitoring Junos devices, as well as monitoring and showing commands. They need to demonstrate their understanding of interface statistics & errors, Junos OS installation and upgrades, network tools, such as SSH, telnet, ping, traceroute, and so on. The learners also need to demonstrate their ability to describe maintenance and monitoring procedures for a Junos device, as well as shutting down and powering Junos devices.

• Routing Fundamentals

  This section includes identifying the basic functionality or routing concepts for Junos devices, describing how to monitor or configure basic routing elements for them. Also included are static routing, routing instances, route reference, routing vs. forwarding tables, traffic forwarding concepts, as well as use cases and advantages of routing protocols.

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Target Audience

The Juniper JN0-103 exam is designed for those networking professionals who have beginner-intermediate knowledge of networking. The test accesses their expertise in Juniper development architecture and networking, as well as the core functionality of Juniper Networks Junos OS. Additionally, the applicants should be conversant with Junos OS operating and monitoring, firewall filters, basic routing and switching technologies.

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Juniper JN0-103: Junos, Associate (JNCIA-Junos) Exam topics

Candidates must know the exam topics before they start of preparation. Because it will help them in hitting the core. Our Juniper JN0-103 exam dumps will include the following topics:

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

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

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

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

Identify the main elements for configuring Junos devices

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

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

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

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

Conclusion

Setting yourself right from the start through the Juniper JN0-103 exam and the JNCIA-Junos designation is a great decision that you can make. Later, you can extend your skills through higher qualifications by opting for other Juniper certificates, which will expand the reach of your career. Do not forget that after 3 years your JNCIA-Junos certificate will be up for renewal!

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Juniper JN0-103 Exam Syllabus Topics: