JNCIS-ENT

Exam: JN0-343 and JN0-346: JNCIS-ENT Exam Objectives

This list provides a general view of the skill set required to successfully complete the specified certification exam.

Layer 2 Switching and VLANs
  • Identify the concepts, operation, and functionality of Layer 2 switching for the Junos OS
    • Enterprise switching platforms
    • Also, Bridging components
    • Additionally, Frame processing
  • Identify the concepts, benefits, and functionality of VLANs
    • Ports
    • Tagging
    • Also, Native VLANs and voice VLANs
    • Inter-VLAN routing
  • Demonstrate knowledge of how to configure, monitor and troubleshoot Layer 2 switching and VLANs
    • Interfaces and ports
    • Also, VLANs
    • Additionally, Routed VLAN interfaces (RVI)
Spanning Tree
  • Identify the concepts, benefits, operation, and functionality of the Spanning Tree Protocol
    • STP and RSTP concepts
    • Port roles and states
    • Also, BPDUs
    • Additionally, Convergence and reconvergence
  • Demonstrate knowledge of how to configure and monitor STP and RSTP
    • STP
    • Also, RSTP
Layer 2 Security
  • Identify the concepts, benefits and operation of various protection and security features
    • BPDU, loop and root protection
    • Also, Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) and IP source guard
    • Additionally, Storm control
  • Identify the concepts, benefits and operation of Layer 2 firewall filters
    • Filter types
    • Also, Processing order
    • Additionally, Match criteria and actions
  • Demonstrate knowledge of how to configure and monitor Layer 2 security
    • Protection
    • Also, Port security
    • Storm control
    • Additionally, Firewall filter configuration and application
Protocol Independent Routing
  • Identify the concepts, operation and functionality of various protocol-independent routing components
    • Static, aggregate, and generated routes
    • Martian addresses
    • Also, Routing instances, including RIB groups
    • Load balancing
    • Additionally, Filter-based forwarding
  • Demonstrate knowledge of how to configure and monitor various protocol-independent routing components
    • Static, aggregate, and generated routes
    • Also, Load balancing
    • Additionally, Filter-based forwarding
Open Shortest Path First (OSPF)
  • Identify the concepts, operation and functionality of OSPF
    • Link-state database
    • OSPF packet types
    • Also, Router ID
    • Adjacencies
    • Designated router (DR) and backup designated router (BDR)
    • OSPF area and router types
    • Additionally, LSA packet types
  • Demonstrate knowledge of how to configure, monitor and troubleshoot OSPF
    • Areas, interfaces
    • Additional basic options
    • Also, Routing policy application
    • Additionally, Troubleshooting tools
  • Realms
Intermediate System to Intermediate System (IS-IS)
  • Identify the concepts, operation and functionality of IS-IS
    • Link-state database
    • IS-IS PDUs
    • Also, TLVs
    • Adjacencies
    • Also, Levels and areas
    • Designated intermediate system (DIS)
    • Additionally, Metrics
  • Demonstrate knowledge of how to configure, monitor and troubleshoot IS-IS
    • Levels, interfaces and adjacencies
    • Additional basic options
    • Also, Routing policy application
    • Additionally, Troubleshooting tools
Border Gateway Protocol (BGP)
  • Identify the concepts, operation and functionality of BGP
    • BGP basic operation
    • Also, BGP message types
    • Attributes
    • Route/path selection process
    • Additionally, IBGP and EBGP functionality and interaction
  • Demonstrate knowledge of how to configure and monitor BGP
    • Also, Groups and peers
    • Additional basic options
    • Additionally, Routing policy application
Tunnels
  • Identify the concepts, requirements and functionality of IP tunneling
    • Tunneling applications and considerations
    • Also, GRE
    • Additionally, IP-IP
  • Demonstrate knowledge of how to configure and monitor IP tunnels
    • GRE
    • Additionally, IP-IP
High Availability
  • Identify the concepts, benefits, applications and requirements for high availability in a Junos OS environment
    • Link aggregation groups (LAG)
    • Also, Redundant trunk groups (RTG)
    • Virtual Chassis
    • Graceful restart (GR)
    • Also, Graceful Routing Engine switchover (GRES)
    • Nonstop active routing (NSR)
    • Also, Nonstop bridging (NSB)
    • Bidirectional Forwarding Detection (BFD)
    • Also, Virtual Router Redundancy Protocol (VRRP)
    • Additionally, Unified In-Service Software Upgrade (ISSU)
  • Demonstrate knowledge of how to configure and monitor high availability components
    • LAG and RTG
    • Virtual Chassis
    • Also, GR, GRES, NSR, and NSB
    • VRRP
    • Additionally, ISSU