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JNCIA-ER Exam Objectives (Exam: JN0-342)

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This list is intended to provide a general view of the skill set required to successfully complete the specified certification exam. Topics listed are subject to change.

  • Enterprise Router Overview, Management, and Architecture
  • User Interface of Enterprise Routers
  • Installation and Initial Configuration
  • Monitor and Maintain J-series Platforms
  • Routing Protocols
  • Services
  • Miscellaneous Features

Enterprise Router Overview, Management, and Architecture

  • Describe network management features of Enterprise Routers
  • Define the portions of the Junos OS architecture. Include information on protected memory spaces, individual daemon process, and locations where the Junos OS may operate.
  • List the Enterprise Router Product Line
  • Describe Transit and Host Processing
  • Identify the difference between packet flow on the M7i/M10i and J-series routers
  • Identify key differences between the M7i/M10i and J-series routers
  • Identify Field-Replaceable Units on M7i/M10i and J-series routers

To Top

User Interface of Enterprise Routers

  • List the various user authentication methods
  • Describe the uses of login classes
  • Describe authentication order
  • Describe the way to access and navigate the J-Web interface
  • Identify J-Web installation and operational status
  • Identify the features of the Junos CLI. (cli modes, prompts, auto-complete, EMACS shortcuts, help, pipe)
  • Identify the commands used in configuration mode (edit, set, delete, commit)
  • Identify options for manipulating "saved" configuration files. Include rollback options, load options, and rollback file locations
  • Describe the configuration hierarchy
  • Describe active, candidate, and rollback configurations

To Top

Installation and Initial Configuration

  • Define autoinstallation and describe its basic operation
  • Describe how to activate the rescue and default configurations
  • Identify Initial configuration steps via J-web (user accounts, SNMP, time, DNS, remote access)
  • Identify Initial configuration steps via the CLI (user accounts, SNMP, time, DNS, remote access)
  • Configure an interface (CLI and J-Web)
  • List options for initial configuration and platform dependencies of those options.

To Top

Monitor and Maintain J-series Platforms

  • Identify the commands to monitor enterprise router system components (CLI and J-Web)
  • Identify the commands to monitor enterprise router Chassis (CLI and J-Web)
  • Identify valid options for interface names, logical unit and protocol families within the Junos OS
  • Describe how to monitor interfaces in real-time
  • Describe the information contained within the show interfaces extensive command
  • Describe the uses of network utilities such as ping and traceroute
  • Describe system logging and tracing
  • Identify Commands needed to manage the licenses on a J-series
  • Describe the boot devices available to a Juniper Networks router
  • List the upgrade options available for the router's software
  • Identify the system snapshot options
  • Perform file system maintenance on the router.
  • Perform password recovery on the router.

To Top

Routing Protocols

  • Describe Junos OS routing policy design considerations including: import and export, when to define routing policies, components of a routing policy (terms, match criteria, actions), default routing policy actions, and how routing policies are evaluated.
  • List the main reasons to create and apply policies.
  • Describe the configuration of Static Routes
  • Describe the basic characteristics of the RIP protocol
  • Identify the steps needed to configure RIP
  • Identify commands used to monitor and troubleshoot an RIP network.
  • Describe OSPF area types and router types
  • Identify the steps needed to configure OSPF
  • Identify commands used to monitor and troubleshoot an OSPF network.
  • Describe charecteristics of link-state routing protocols
  • Describe the purpose and operation of multiple routing tables
  • Describe route preferences
  • List the support IGPs and describe the purpose and benefits of each.

To Top

Services

  • List the available interfaces used for services and describe the benefits and features for each type
  • Describe the purpose and benefits of MLPPP
  • Identify MLPPP configuration and monitoring options
  • Describe the purpose and benefits of NAT and PAT
  • Identify NAT and PAT configuration and monitoring options

To Top

Miscellaneous Features

  • Describe the benefits and basic operation of VRRP
  • Identify configuration and monitoring options of VRRP
  • Describe the benefits and basic operation of DHCP
  • Identify configuration and monitoring options for DHCP

To Top

 

 

 

 
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