Exam Vouchers: Juniper Enterprise Routing and Switching Professional (JNCIP-ENT) (JN0-649)

The Enterprise Routing and Switching track enables you to demonstrate competence with networking technology in general and Juniper Networks enterprise routing and switching platforms. JNCIP-ENT, the professional-level certification in this track, is designed for experienced networking professionals with advanced knowledge of the Juniper Networks Junos OS. The written exam verifies your understanding of advanced routing technologies and related platform configuration and troubleshooting skills.

Delivered by: Pearson VUE

Exam Length: 90 minutes

Exam Type: 65 multiple-choice questions

Software Versions: Junos OS 21.2

Recommended Training:

- Advanced Junos Enterprise Routing (AJER)

- Advanced Junos Enterprise Switching (AJEX)

Exam Resources:

- Industry/product knowledge

- Juniper TechLibrary

Additional Preparation:

- Juniper Learning Portal

Interior Gateway Protocols (IGPs)

- Describe the concepts, operation, or functionality of IGPs

• IS-IS
• OSPFv2 and OSPFv3
• Routing Policy

Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IGPs

BGP

- Describe the concepts, operation, or functionality of BGP

• BGP route selection process
• Next hop resolution
• BGP attributes: concept and operation
• BGP communities
• Load balancing - multipath, multihop, forwarding table
• NLRI families: inet and inet6
• Advanced BGP options

- Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor BGP

• Implement BGP routing policy

IP Multicast

- Describe the concepts, operation, or functionality of IP multicast

• Components of IP multicast, including multicast addressing IP multicast traffic flow
• Any-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)
• RPF - concept and operation
• IGMP, IGMP snooping
• PIM sparse-mode
• Rendezvous point (RP) - concept, operation, discovery,
• election
• Anycast RP
• MSDP
• Routing policy and scoping

- Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IP multicast

• IGMP, PIM-SM (including SSM)
• Implement IP multicast routing policy

Ethernet Switching and Spanning Tree

- Describe the concepts, operation or functionality of advanced Ethernet switching

• Filter-based VLANs
• Private VLANs
• Dynamic VLAN registration using MVRP
• Tunnel Layer 2 traffic through Ethernet networks
• Layer 2 tunneling using Q-in-Q and L2PT

- Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor advanced Ethernet switching

• Filter-based VLANs
• Dynamic VLAN registration using MVRP
• Tunnel Layer 2 traffic through Ethernet networks

Layer 2 tunneling using Q-in-Q and L2PT

- Describe the concepts, operation, or functionality of advanced spanning tree protocols, including MSTP or VSTP.

- Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor MSTP or VSTP.

Layer 2 Authentication and Access Control

- Describe the operation of various Layer 2 authentication or access control features

• Authentication process flow
• 802.1x - concepts and functionality
• MAC RADIUS
• Captive portal
• Server fail fallback
• Guest VLAN
• Considerations when using multiple authentication/access control methods

- Given a scenario, demonstrate how to configure, troubleshoot, or monitor Layer 2 authentication or access control.

IP Telephony Features

- Describe the concepts, operation or functionality of features that facilitate IP telephony deployments

• Power over Ethernet (PoE)
• LLDP and LLDP-MED
• Voice VLAN

- Given a scenario, demonstrate how to configure, troubleshoot, or monitor features used to support IP telephony deployments.

Class of service (CoS)

- Describe the concepts, operation, or functionality of Junos CoS for Layer 2/3 networks

• CoS processing on Junos devices
• CoS header fields
• Forwarding classes
• Classification
• Packet loss priority
• Policers
• Schedulers
• Drop profiles
• Shaping
• Rewrite rules

- Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor CoS for Layer 2 or 3 networks.

EVPN

- Describe the concepts, operation, or functionality of Junos EVPN

• Route types (e.g., Type 1, 2 3)
• VXLAN
• Multi-homing (e.g., active route types)

- Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor EVPN.

Prerequisite Certification

JNCIS-ENT