Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) : JN0-663 Exam

  • Exam Code: JN0-663
  • Exam Name: Service Provider Routing and Switching, Professional (JNCIP-SP)
  • Updated: Sep 04, 2025
  • Q & A: 96 Questions and Answers

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About Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) : JN0-663 Exam Questions

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Certification Path of Service Provider Routing and Switching, Professional JN0-663 Exam

JNCIS-SP Certification is the prerequisite for the JNCIS-SP JN0-663 exam. The Juniper Service Provider Routing & Switching qualification test is administered for participants to have an excellent command of Juniper JN0-663. If you are taking the JN0-663 test. At the end of this Service Provider Routing and Switching, Technical (JNCIP-SP) test, you can hear about the new levels of Service Provider Routing and Switching, Professional (JNCIP-SP) e.g. standardized, semi-structural, and unstructured. The length of the Juniper Service Provider Routing & Switching Certification is one hour. Multiple option JN0-663 questions are asked in the test, and if you want to pass the exam in the first attempt, you can purchase different Juniper JN0-663 exam dumps for better preparation.

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Juniper JN0-663 Exam Reference

Juniper JN0-663 Exam Topics:

SectionObjectives
Layer 2 VPNsDescribe the concepts, operation, or functionality of BGP Layer 2 VPNs
  • Traffic flow: control and data planes
  • Forwarding tables
  • Connection mapping
  • Layer 2 VPN NLRI
  • Route distinguishers
  • Route targets
  • Layer 2 VPN scaling

Describe the concepts, operation, or functionality of LDP Layer 2 circuits

  • Traffic flow: control and data planes
  • Virtual circuit label
  • AutoDiscovery
  • Layer 2 interworking

Describe the concepts, operation, or functionality of VPLS

  • Traffic flow: control and data planes
  • BGP VPLS label distribution
  • LDP VPLS label distribution
  • Route targets
  • VPLS Multihoming
  • Site IDs

Describe the concepts, operation, or functionality of EVPN

  • Traffic flow: control and data planes
  • MAC learning and distribution
  • EVPN Multihoming
  • BGP EVPN label distribution

Given a scenario, demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 VPNs

  • BGP Layer 2 VPNs
  • LDP Layer 2 circuits
  • EVPNs
  • VPLS
Class of Service (CoS)Describe the concepts, operation, or functionality of Junos CoS
  • CoS processing on Junos devices
  • CoS header fields
  • Forwarding classes
  • Classification
  • Packet loss priority
  • Policers
  • Schedulers
  • Drop profiles
  • Rewrite rules

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

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) versus Source-Specific Multicast (SSM)
  • RPF: concept and operation
  • IGMP
  • PIM dense-mode and sparse-mode
  • Rendezvous point (RP): concept, operation, discovery, and election
  • SSM: requirements, benefits, address ranges
  • Anycast RP

Given a scenario, demonstrate knowledge of how to configure or monitor IGMP, PIM-DM, or PIM-SM (including SSM)

  • Implement IP multicast routing policy
BGPDescribe the concepts, operation, or functionality of BGP
  • BGP route selection process
  • Next hop resolution
  • BGP attributes: concept and operation
  • BGP communities
  • Regular expressions
  • Multipath
  • Multihop
  • Load balancing
  • Advanced BGP options
  • BGP route damping
  • FlowSpec
  • Multiprotocol BGP

Describe the concepts, operation, or functionality of BGP scaling mechanisms

  • Route reflection

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

  • Implement BGP routing policy
OSPFDescribe the concepts, operation, or functionality of OSPFv2 or OSPFv3
  • OSPF area types and operations
  • LSA flooding through an OSPF multi-area network
  • DR/BDR operation
  • SPF algorithm
  • Metrics, including external metric types
  • Summarize and restrict routes
  • Virtual links
  • OSPFv2 versus OSPFv3

Given a scenario, demonstrate knowledge of how to configure or monitor single-area or multi-area OSPF

  • Implement OSPF routing policy
Layer 3 VPNsDescribe the concepts, operation, or functionality of Layer 3 VPNs
  • Traffic flow: control and data planes
  • Full mesh versus hub-and-spoke topology
  • VPN-IPv4 addressing
  • Route distinguishers
  • Route targets
  • Route distribution
  • Site of origin
  • Sham links
  • vrf-table-label
  • Next-generation MVPNs
  • Flow of control and data traffic in an MVPN
  • Layer 3 VPN scaling
  • IPv6 Layer 3 VPNs
  • Layer 3 VPN Internet access options

-Given a scenario, demonstrate knowledge of how to configure or monitor the components of Layer 3 VPNs
-Describe Junos support for carrier-of-carriers or interprovider VPN models

IS-ISDescribe the concepts, operation, or functionality of IS-IS
  • IS-IS areas/levels and operations
  • LSP flooding through an IS-IS multi-area network
  • DIS operation
  • SPF algorithm
  • Metrics, including wide metrics
  • Route summarization and route leaking

Given a scenario, demonstrate knowledge of how to configure or monitor single-area or multi-area IS-IS

  • Implement IS-IS routing policy

Reference: https://www.juniper.net/us/en/training/certification/tracks/service-provider-routing-switching/jncip-sp.html

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