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

JN0-663
  • Exam Code: JN0-663
  • Exam Name: Service Provider Routing and Switching, Professional (JNCIP-SP)
  • Updated: Oct 14, 2025
  • Q & A: 96 Questions and Answers
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About Juniper JN0-663: Service Provider Routing and Switching, Professional (JNCIP-SP)

Additional Resources for JN0-663

While there are many supportive materials available on the Juniper website, several other resources will also help you prepare for your exam. A correct combination of these and the right approach will enable you to pass your JN0-663 certification test confidently. Thus, here are some of the top-rated books from Amazon that you can look at while studying for JN0-663:

  • First Edition of Network Mergers and Migrations by Gonzalo Gomez Herrero and Jan Anton Bernal van der Ven

    Such a book offers students a detailed guide to network transition processes by describing a number of examples of internetworking. Based on the experience and skills of two senior Juniper Networks engineers, both enterprise and service provider scenarios are analyzed here. Each case study covers planning and execution, as well as discusses approaches and incorporates additional relevant services and JUNOS resources, from MPLS Layer 3 VPN approaches for migration processes to complicated consolidation and integration for networking protocols in order to ensure effective execution at each transition point.

  • JNCIP: Juniper Networks Certified Internet Professional Study Guide by Harry Reynolds

    This book covers the major exam objectives of the JNCIP-SP exam. Moreover, it discusses the concepts of networking, monitoring, troubleshooting route operations, upgrading & backing JUNOS, working with IS-IS, and monitoring OSPF. Besides, the author dives deep into topics such as IBGP routing and EBGP operations. All in all, such a study guide is a great start to refer to when preparing for your JN0-663 exam. Engineers who need to update networks, consolidate operations, or deploy new functionality or services have invaluable material in the form of this manual.

  • First Edition of Interdomain Multicast Routing by Brian M. Edwards

    This guide contains all of IP multicast protocols, software, network architecture and integration, implementation, configuration, and management that network specialists need to know about. In addition, the author demonstrates the setup of multicasting depending on the Internet on both Juniper and Cisco routers and provides a comprehensive case study. The book also reviews the purpose and basic principles, then implements all new multicast IP protocols.

  • First Edition of OSPF and IS-IS by Jeff Doyle

    This comprehensive guide clearly explains how OSPF and IS-IS protocols are incorporated in large-scale IP organizations and service-provider networking companies. Moreover, the book has thoroughly organized its topics to make sure you understand the application of OSPF and IS-IS. Also, the author explains how a subject or function is incorporated in OSPF and then walks through a specific application with IS-IS.

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

Juniper JN0-663 Exam Topics:

SectionObjectives
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
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

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
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
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

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The Juniper Service Provider Routing and Switching, Professional JN0-663 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 Service Provider Routing and Switching, Professional JN0-663 exam provides 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 JN0-663 practice test then he should take this exam.

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Career Benefits

Certifications from Juniper Networks most commonly lead to network engineering roles, either with Juniper Networks directly or with consulting firms promoting the related products. Moreover, you can apply for positions such as Network Administrators and Network Security Engineers. Average remuneration for Network Engineers starts at $51,000 up to $108,000 per year, whereas earnings for Network Admins are estimated at $84,000 annually as rendered by Payscale. So, as far as you can see it can pay off well to get the necessary experience and at least one Juniper certification.

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