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JNCIA-EX Exam Objectives (Exam: JN0-400)

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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.

  • Introduction to Juniper Networks Enterprise Switches
  • User Interface Options
  • Installation and Initial Configuration
  • Secondary System Configuration
  • Operational Monitoring and Maintenance
  • Virtual Chassis
  • Interface Support, Configuration, and Monitoring
  • Ethernet Switching and Virtual LANs
  • Spanning Tree Protocol
  • Inter-VLAN Routing
  • Routing Policy and Firewall Filters
  • Switching Security
  • IP Telephony Services

Introduction to Juniper Networks Enterprise Switches

  • Describe the available enterprise switching platforms
  • Describe the hardware architecture of an EX-series switch.
  • Describe the packet flow through an EX-series switch.
  • 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.

To Top

User Interface Options

  • Describe access and navigation considerations for the J-Web interface
  • Describe the configuration hierarchy.
  • Identify the commands used in configuration mode (edit, set, delete, commit).
  • Describe active, candidate, and rollback configurations.
  • Identify options for manipulating "saved" configuration files. Include rollback options, load options, and rollback file locations.

To Top

Installation and Initial Configuration

  • Describe how to save, delete, and view the rescue configuration.
  • Describe the factory default configuration.
  • List initial configuration options and describe initial configuration tasks performed in console and J-Web Ezsetup..

To Top

Secondary System Configuration

  • List user authentication methods and describe the purpose of authentication order.
  • Configure user accounts, authentication methods, and the authentication order.
  • Describe system logging and tracing.
  • Configure and verify secondary configuration options.

To Top

Operational Monitoring and Maintenance

  • Identify commands and network utilities used to monitor system and chassis operations.
  • Perform software upgrade.
  • Perform file system maintenance and password recovery.

To Top

Virtual Chassis

  • List and describe the components of a virtual chassis.
  • Explain the recommended installation process for a virtual chassis.
  • List and describe some common virtual chassis deployment options.
  • Describe the management features used for virtual chassis.
  • Describe the roles and responsibilities of member switches within a virtual chassis.
  • Describe virtual chassis operation and packet flow.

To Top

Interface Support, Configuration, and Monitoring

  • Describe interface support for EX-series switches.
  • Configure layer 2 and layer 3 interfaces.
  • Configure a link aggregation group on an EX-series switch.
  • Describe interface monitoring options.

To Top

Ethernet Switching and Virtual LANs

  • Define and list the benefits of bridging.
  • List and describe the mechanisms used to build and maintain bridge tables.
  • Define and list the benefits of VLANs.
  • Describe the characteristics and operation of the VLAN port modes.
  • Describe the structure of an 802.1Q VLAN tagged Ethernet frame.
  • Configure and verify proper operation of VLANs

To Top

Spanning Tree Protocol

  • Explain the purpose and basic operation of STP, RSTP, and MSTP.
  • Configure and monitor STP, RSTP, and MSTP.
  • Define, configure, and monitor Redundant Trunk Group (RTG).

To Top

Inter-VLAN Routing

  • Describe the purpose of a routed VLAN interface.
  • Describe route preferences.
  • Configure static and OSPF routing.
  • Define, configure, and monitor VRRP.

To Top

Routing Policy and Firewall Filters

  • Explain the policy framework components and definition considerations for EX-series switches.
  • List common situations when routing policies should be used.
  • List the types of firewall filters supported on EX-series switches and describe how each is defined and applied.

To Top

Switching Security

  • Define, configure, and monitor MAC limiting.
  • Explain the benefits and operation of DHCP snooping.
  • Describe the purpose and basic of operation of DAI.
  • Explain the benefits and operation of 802.1X.
  • Configure and monitor 802.1X.

To Top

IP Telephony Services

  • Explain the purpose of PoE and describe the PoE support on EX-series switches.
  • Provide a definition for voice VLAN and explain some benefits for implementing a voice VLAN on an EX-series switch.
  • Explain the purpose and benefits of LLDP and LLDP-MED.

To Top

 

 

 

 
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