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JNCIA-E Exam Objectives (Exam: JN0-120)

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.

Operation, Configuration, and Troubleshooting
E-series Router Virtual Routers
Broadband Remote Access Services (B-RAS)
Routed and Bridged 1483
PPP over ATM (PPPoA)
PPP over Ethernet (PPPoE)
Dynamic Configuration Mode
Layer 2 Tunneling Protocol (L2TP)
E-series Router Policy Management

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The resources listed on this page are recommended, but do not guarantee passing scores on JNCP exams. Success depends on each candidate’s motivation, experience, and dedication. Candidates may find additional resources not listed on this page helpful as well.

Operation, Configuration, and Troubleshooting

  • Identify the redundancy options of an E-series Router.
  • Describe the E-series Router chassis and line modules.
  • Define the various switch fabrics and ATM buses.
  • List the steps involved in moving a packet through the router.
  • Describe how the E-series Router handles routing updates.
  • List the different modes of operation.
  • Describe the components of the E-series Router file system.
  • Describe the steps involved in a basic configuration.
  • Identify the boot options available for an E-series Router.
  • Describe the capability and configuration of SNMP.
  • List the steps involved in upgrading or downgrading the software on an E-series Router.

E-series Router Virtual Routers

  • Identify the various uses for virtual routers.
  • List the steps involved in configuring a virtual router.
  • Define how to manage a virtual router.

Broadband Remote Access Services (B-RAS)

  • Define the traditional Remote Access Services.
  • Describe the basic components of a DSL network.
  • List the various B-RAS service deployment options.
  • Identify the steps to setup a basic ATM configuration.

Routed and Bridged 1483

  • Identify the IP addressing options for a routed 1483 network.
  • Describe the routing table constraints encountered when using routed 1483 encapsulation.
  • List the steps in configuring an E-series Router to support a routed 1483 network.
  • Identify the IP addressing options for a bridged 1483 network.
  • Describe the routing table constraints encountered when using bridged 1483 encapsulation.
  • Define the components of DHCP and how it is used.
  • List the steps in configuring an E-series Router to support a bridged 1483 network.

PPP over ATM (PPPoA)

  • Describe the processing of a PPP packet.
  • Define the Authentication, Authorization, and Accounting (AAA) option available for the E-series Router.
  • Identify the configuration steps involved in setting up authentication options.
  • List the options available for assigning an IP address to an interface.
  • Describe how virtual routers are used in a PPPoA service.
  • Identify the steps involved in configuring PPPoA.

PPP over Ethernet (PPPoE)

  • Describe the components of a PPP over Ethernet service.
  • Define the PPP over Ethernet Discovery Stage including the various message types.
  • Identify the steps for configuring PPPoE using a DSL network.
  • Identify the steps for configuring PPPoE using a metro Ethernet network.

Dynamic Configuration Mode

  • Describe the profile configuration utilities available for each B-RAS service offering.
  • List the services available for use with the autoconfig command.
  • Describe how a profile is used to describe and define an interface.

Layer 2 Tunneling Protocol (L2TP)

  • Describe the applications for using L2TP as a Virtual Private Network technology.
  • Describe the operation of the L2TP Access Concentrator.
  • Describe the operation of the L2TP Network Server.
  • List the steps for establishing an L2TP tunnel.
  • List the steps for establishing an L2TP session.
  • Identify the steps for configuring the E-series Router as an LAC.
  • Identify the steps for configuring the E-series Router as an LNS.

E-series Router Policy Management

  • Identify the components involved in classifying a packet for policy management.
  • Describe the functionality and configuration of rate limit profiles.
  • Define the function of a policy list.