Topics of Juniper JN0-648: Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam

Candidates must know the exam topics before they start preparation. Because it will help them in hitting the core. Our Juniper JN0-648 exam dumps will include the following topics:

IS-IS

• Routing Policy
• Describe the concepts, operation, or functionality of BGP
• OSPFv2 and OSPFv3
• Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IGPs

BGP route selection process

• Regular expressions
• Implement BGP routing policy
• Next hop resolution
• BGP attributes: concept and operation
• Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor BGP
• Load balancing - multipath, multihop, forwarding table
• Describe the concepts, operation, or functionality of IP multicast
• BGP communities
• NLRI families: inet and inet6
• Advanced BGP options

Components of IP multicast, including multicast addressing

• Anycast RP
• Rendezvous point (RP): concept, operation, discovery, and election
• RPF: concept and operation
• MSDP
• IGMP, PIM-DM, or PIM-SM (including SSM)
• Any-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)
• IP multicast traffic flow
• IGMP and IGMP snooping
• SSM: requirements, benefits, address ranges
• Implement IP multicast routing policy
• Describe the concepts, operation, or functionality of advanced Ethernet switching
• PIM dense-mode and sparse-mode
• Routing policy and scoring has given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IP multicast

Filter-based VLANs

• Describe the concepts, operation, or functionality of advanced spanning tree protocols, including MSTP or VSTP
• Filter-based VLANs
• Dynamic VLAN registration using MVRP
• Dynamic VLAN registration using MVRP
• Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor advanced Ethernet switching
• Tunnel Layer 2 traffic through Ethernet networks
• Tunnel Layer 2 traffic through Ethernet networks
• Describe the operation of various Layer 2 authentication or access control features
• Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor MSTP or VSTP
• Layer 2 tunneling using Q-in-Q and L2PT
• Layer 2 tunneling using Q-in-Q and L2PT
• Junos Fusion Enterprise
• Junos Fusion Enterprise
• Private VLANs
• Private VLANs

Authentication process flow

• Given a scenario, demonstrate how to configure, troubleshoot, or monitor Layer 2 authentication or access control
• Captive portal
• Considerations when using multiple authentication/access control methods
• Guest VLAN
• MAC RADIUS
• 802.1x: concepts and functionality
• Describe the concepts, operation, or functionality of features that facilitate IP telephony deployments
• Server fail fallback

Power over Ethernet (PoE)

• Describe the concepts, operation, or functionality of Junos CoS for Layer 2 or 3 networks
• Given a scenario, demonstrate how to configure, troubleshoot, or monitor features used to support IP telephony deployments
• LLDP and LLDP-MED
• Voice VLAN

CoS processing on Junos devices

• Policers
• Shaping
• Packet loss priority
• Classification
• Drop profiles
• Describe the concepts, operation, or functionality of Junos EVPN
• Rewrite rules
• CoS header fields
• Forwarding classes
• Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor CoS for Layer 2 or 3 networks
• Schedulers

VXLAN

• Multi-homing (for example, active route types)
• Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor EVPN

Reference: https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncip-ent.html

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Resources to Ace Your JN0-648 Exam

All in all, there are two official courses offered by Juniper Networks which are recommended to train candidates to successfully pass JN0-648 exam:

• Advanced Junos Enterprise Switching (AJEX)

  This two-day course details such notions as VLAN, MSTP, VSTP, Layer 2 networks, IP telephony features, CoS, and handling tools which use the EX Series Ethernet Switches. Before taking it, you need to have a fundamental understanding of the OSI reference model, and the TCP/IP protocol suite. What is more, prerequisite courses include Junos Operating System (IJOS) and Junos Enterprise Switching (JEX). To put it simply, this class covers various Juniper products, Switching, EX Series, and Junos OS and is available on the vendor’s site as on-demand training that will cost you $1900.

• Advanced Junos Enterprise Routing (AJER)

  This is a five-day class that covers useful concepts of Layer 3 elements in enterprise networks. Plus, you will learn about BGP, multicast, OSPF, the class of service, and EVPN-VXLAN. By taking this training, your troubleshooting skills will also be enriched. To add more, this course utilizes some demonstrative means and practical labs that help students gain great experience with handling the Junos OS and operations for protocols. As prerequisites, you need to have a fundamental knowledge of networking and the model for Open Systems Interconnection (OSI), as well as the TCP/IP suite of protocols. Work experience with core routing facets is also needed. You should also have taken the Introduction to the Junos Operating System (IJOS) and Junos Intermediate Routing (JIR) courses.

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