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  • Total Questions: 141
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Training Course for JN0-103 Exam

The official preparation course for test JN0-103 is named ‘Introduction to the Junos OS’ and it is to go on for 3 days. It is organized in a way that students undertaking it will gain the foundational comprehension needed in working with the OS for Junos as well as configuring devices for Junos. Besides, this training takes a short coverage of the families for Junos devices and explores the core architectural elements of the associated software. Also, core domains detailed here are such as options for the user interface, which includes a huge focus on the CLI and tasks for the configuration that typically are related to how devices are set up initially. More attention is focused on the basics of interface configuration that comes with examples, building up secondary systems, and the primary details of operational monitoring in addition to maintaining the Junos gadgets. Moreover, there will be a further discussion on foundational knowledge about routing as well as examples of configurations that include general concepts associated with routing, routing policy, as well as firewall filters. It’s to be noted that students will be going into the practical aspects of what they will be learning and in this manner, their skills will be practical. With a commitment to the course content, right motivation, and dedication, the candidates’ chances of passing the official test are going to be high.

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

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Juniper JN0-103 Exam Topics:

SectionObjectives
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)
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

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
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

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

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

Mock examination function

The contents of JN0-103 study materials are all compiled by industry experts based on the examination outlines and industry development trends over the years. It does not overlap with the content of the question banks on the market, and avoids the fatigue caused by repeated exercises. JN0-103 exam guide is not simply a patchwork of test questions, but has its own system and levels of hierarchy, which can make users improve effectively. Our study materials contain test papers prepared by examination specialists according to the characteristics and scope of different subjects. Simulate the real Junos, Associate (JNCIA-Junos) test environment. After the test is over, the system also gives the total score and correct answer rate.

Study Guides for JN0-103 Validation

These are the books for your use during JN0-103 exam revision:

  • Learning Junos OS from Zero to Learner

    This revision guide by Jawaid Iqbal starts with the fundamental concepts of Junos OS that include CLI structure as well as configuration and not forgetting troubleshooting. Also included are basics concerning products for Juniper. Those who study with such a book will get hold of knowledge on how to configure, verify, and troubleshoot one’s network in a procedural manner. The core aspect of the guide is in its ability to help a learner pass through the steps that are involved when configuring a typical OS for Junos.

  • Day 1: Exploring the Junos CLI

    A study guide like this for JN0-103 exam was written by Walter Goralski. It’s a popular guide for beginners who are just getting introduced to devices that run on Junos OS. By the way, the book can as well be used to refresh your knowledge concerning Junos OS when you are thinking about upgrading your skills. Some of the issues tackled by such a guide include navigating the operational mode for CLI as well as its configuration mode, modifying, saving, and loading arranging files while minimizing risk & concerning operations, using rudimentary commands for configuration, and utilizing the safety features available on the commit model for Junos OS.

  • Juniper Junos JN0-103 Real Exam Preparation

    This study book for the JN0-103 test has been done by Sure Help and brings helpful practice materials to candidates who need them. The questions in the practice tests have been developed to reflect the actual exam, which means when you carry out your practice using them, you will get to know what the final validation might be coming with. With this manual, you access a dependable way to check how much content you have grasped and whether it is the right one for the official test.

  • Junos OS for Dummies

    This JN0-103 test prep guide is presented in a way that makes it easy for a beginner to grasp the basics of Junos OS. The book’s authors include Walter J. Goralski, Cathy Gadecki, and Michael Bushong. It first explores the basics associated with Junos and takes you through the features related to it to ensure that you quickly pick and retain the knowledge of setting up, operating, and adding its key services. It further goes into tips that can help in rendering the network of your company to be more effective while revealing important cautions. Other things captured by such a book include the process of configuring default security characteristics for Junos, and a breakdown of advanced concepts to make it simple for you to grasp them gradually.

  • Day 1: Beginner’s Guide to Learning Junos

    This is a free study guide written by Martin Brown & others that you can easily download from a link on the Juniper Networks official page. It is written by a team of eight authors and covers the basics involved in Junos OS. It immerses itself into topics such as the Junos fundamentals, user interface, configuration basics involved in Junos, routing fundamentals, routing policies, filters for firewalls, and others. Such a book basically offers you a systematic way of working with Juniper networks and performing configuration as well as troubleshooting of the Junos OS and within a day, you will have captured what you need.

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