JN0-648 Topics

The Juniper JN0-648 exam covers several topics about networking technologies including the following:

• Class of Service (CoS);
• The functionality of Junos EVPN.
• Teams and functionality of BGP;
• Concepts and functionality of IGPs (Interior Gateway Protocols);
• Features of Layer 2 Authentication and Access Control;
• Components of Ethernet Switching and Spanning Tree;
• Configuring and troubleshooting IP Multicast;

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

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Key Points of JNCIP-ENT Certification and JN0-648 Exam

Before you sit for JN0-648 to attain the JNCIP-ENT certificate, you need to achieve the prerequisite certification, that is the JNCIS-ENT. This is an exam with 65 multiple-choice questions, administered for 2 hours. As it is an MCQ-based test, you can know your pass/fail status right after you complete it. Also, you need to register for this validation with Pearson VUE. So, create an account on the Pearson VUE website, choose a test center of your choice and then select the appropriate evaluation from the exam list. For those who have an existing CertManager ID, you can use that to register for your exam.

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

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

Components of IP multicast, including multicast addressing

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

Filter-based VLANs

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

Authentication process flow

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

Power over Ethernet (PoE)

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

CoS processing on Junos devices

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

VXLAN

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

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