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

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

Service Provider Routing and Switching, Professional Juniper JN0-648 exam test is related to Juniper Service Provider Routing & Switching Certification. Juniper Service Provider Routing and Switching Certification are designed for experienced Networking Professionals with advanced knowledge of the Juniper Network JUNOS OS. This exam validates and measures the candidate's understanding of Advanced Routing Technologies and related platform configuration and troubleshooting skills. Networking Services Manager and Network Administrators usually hold or pursue this certification and you can expect the same job role after completion of this certification.

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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

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

BGP route selection process

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

Components of IP multicast, including multicast addressing

• SSM: requirements, benefits, address ranges
• RPF: concept and operation
• Anycast RP
• IP multicast traffic flow
• Rendezvous point (RP): concept, operation, discovery, and election
• Describe the concepts, operation, or functionality of advanced Ethernet switching
• Implement IP multicast routing policy
• IGMP, PIM-DM, or PIM-SM (including SSM)
• MSDP
• IGMP and IGMP snooping
• 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
• Any-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)

Filter-based VLANs

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

Authentication process flow

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

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
• Voice VLAN
• LLDP and LLDP-MED

CoS processing on Junos devices

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

VXLAN

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

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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