Exam Code: JN0-648
Exam Name: Enterprise Routing and Switching, Professional (JNCIP-ENT)
Certification Provider: Juniper
Corresponding Certification: JNCIP-ENT

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Updated: Jul 26, 2026

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

These are the following steps for registering for the Juniper JN0-648 exam test. Step 1: Visit Pearson VUE Exam Registration Step 2: Signup/Login to Pearson VUE account Step 3: Search for Juniper JN0-648 Exam Step 4: Select Date, time and confirm with a payment method

Juniper JN0-648 Exam Overview:

Certification Vendor:	Juniper Networks
Exam Name:	Enterprise Routing and Switching, Professional (JNCIP-ENT)
Exam Number:	JN0-648
Exam Format:	Multiple-choice questions
Certificate Validity Period:	3 years (certification validity)
Exam Duration:	90 minutes
Passing Score:	Juniper does not publicly specify an exact pass score
Available Languages:	English
Real Exam Qty:	65
Related Certifications:	JNCIA-Junos JNCIS-ENT JNCIE-ENT
Exam Price:	Varies by region (check official Juniper/Pearson VUE pricing)
Sample Questions:	Juniper JN0-648 Sample Questions
Exam Way:	Delivered by Pearson VUE; written multiple-choice format
Pre Condition:	Recommended prerequisite: JNCIS-ENT certification
Official Syllabus URL:	https://www.juniper.net/gb/en/training/certification/tracks/enterprise-routing-switching/jncip-ent.html

Juniper JN0-648 Exam Topics:

Section	Objectives
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
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
BGP	Describe 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
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 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
EVPN	Describe 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
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
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 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
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

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

JN0-648 Topics

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

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

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