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

  • Exam Code: JN0-648
  • Exam Name: Enterprise Routing and Switching, Professional (JNCIP-ENT)
  • Updated: May 27, 2026     Q & A: 92 Questions and Answers

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Juniper JN0-648 Exam Topics:

SectionObjectives
Class of Service (CoS)Describe the concepts, operation, or functionality of Junos CoS for Layer 2 or 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

EVPNDescribe the concepts, operation, or functionality of Junos EVPN
  • VXLAN
  • Multi-homing (for example, active route types)

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

Ethernet Switching and Spanning TreeDescribe 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
  • Junos Fusion Enterprise
  • 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
  • Private VLANs
  • Dynamic VLAN registration using MVRP
  • Tunnel Layer 2 traffic through Ethernet networks
  • Junos Fusion Enterprise
  • 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
IP Telephony FeaturesDescribe 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

BGPDescribe the concepts, operation, or functionality of BGP
  • BGP route selection process
  • Next hop resolution
  • BGP attributes: concept and operation
  • BGP communities
  • Regular expressions
  • 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
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

Layer 2 Authentication and Access ControlDescribe 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 MulticastDescribe 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 and IGMP snooping
  • PIM dense-mode and sparse-mode
  • Rendezvous point (RP): concept, operation, discovery, and election
  • SSM: requirements, benefits, address ranges
  • Anycast RP
  • MSDP
  • Routing policy and scoping

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

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

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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Who should take the Juniper JN0-648: Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam

The Juniper Juniper JN0-648: Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam is an internationally recognized validation that identifies persons who earn it as possessing skilled in Juniper Service Provider Routing and Switching, Professional Certification. If candidates want significant improvement in career growth need enhanced knowledge, skills, and talents. The Juniper Juniper JN0-648: Enterprise Routing and Switching, Professional (JNCIP-ENT) exam provide proof of this advanced knowledge and skill. If a candidate knows associated technologies and skills that are required to pass the Juniper Service Provider Routing and Switching, Professional JN0-648 practice test then he should take this exam.

Exam JN0-648 is necessary for getting the Enterprise Routing and Switching, Professional (JNCIP-ENT) certification that validates your skills related to advanced routing technologies, platform configuration, and troubleshooting. This certification exam is provided through Juniper Networks and is intended for networking specialists who are highly experienced in their field. As clear from the name, the JNCIP-ENT and its affiliated test form the professional level in the Enterprise Routing and Switching certification track. With this evaluation, individuals can acquire strong leadership skills to manage tough projects, which utilize sophisticated routing technologies. So, this article provides an easy-to-digest overview of the JNCIP-ENT exam, certification, and resources.

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

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