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

JN0-663 real exams

Exam Code: JN0-663

Exam Name: Service Provider Routing and Switching, Professional (JNCIP-SP)

Updated: Jul 24, 2026

Q & A: 96 Questions and Answers

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About Juniper JN0-663 Exam

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

Candidates must know the exam topics before they start preparation. Because it will help them in hitting the core. Our Juniper JN0-663 exam dumps will include the following topics: OSPF

  • Metrics, including external metric types
  • DR/BDR operation
  • LSA flooding through an OSPF multi-area network
  • OSPF area types and operations
  • Summarize and restrict routes
  • SPF algorithm
  • Virtual links
  • OSPFv2 versus OSPFv3

IS-IS

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

BGP

  • FlowSpec
  • BGP attributes: concept and operation
  • Next hop resolution
  • BGP communities
  • Advanced BGP options
  • Multipath
  • Multihop
  • BGP route selection process
  • BGP route damping
  • Multiprotocol BGP
  • Regular expressions
  • Load balancing

Class of Service (CoS)

  • Schedulers
  • Rewrite rules
  • Packet loss priority
  • Forwarding classes
  • CoS header fields
  • Policers
  • CoS processing on Junos devices
  • Classification
  • Drop profiles

IP Multicast

  • IP multicast traffic flow
  • SSM: requirements, benefits, address ranges
  • Anycast RP
  • IGMP
  • Rendezvous point (RP): concept, operation, discovery, and election
  • Any-Source Multicast (ASM) versus Source-Specific Multicast (SSM)
  • Components of IP multicast, including multicast addressing
  • PIM dense-mode and sparse-mode
  • RPF: concept and operation

Layer 3 VPNs

  • Virtual circuit label
  • Route targets
  • Layer 2 VPN scaling
  • Route distinguishers
  • Traffic flow: control and data planes
  • Traffic flow: control and data planes
  • Forwarding tables
  • Connection mapping
  • Layer 2 interworking
  • Layer 2 VPN NLRI
  • AutoDiscovery

Layer 2 VPNs

  • MAC learning and distribution
  • VPLS
  • Route targets
  • Traffic flow: control and data planes
  • Traffic flow: control and data planes
  • VPLS Multihoming
  • BGP VPLS label distribution
  • EVPN Multihoming
  • EVPNs
  • Site IDs
  • LDP Layer 2 circuits
  • Given a scenario, demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 VPNs
  • BGP EVPN label distribution
  • BGP Layer 2 VPNs
  • LDP VPLS label distribution

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

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
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
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
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

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

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
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

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JN0-663 Related Exams
JN0-664 - Service Provider, Professional (JNCIP-SP)
Related Certifications
JNCIP-Cloud
JNCIP-ENT
JNCIA
JNCP
JNCIP-SEC
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