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Juniper JN0-660 : Service Provider Routing and Switching, Professional (JNCIP-SP)

JN0-660

Exam Code: JN0-660

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

Updated: Sep 24, 2026

Q & A: 278 Questions and Answers

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About Juniper JN0-660 Exam

Reading answers and performing under a timer are different skills. The Real4test online engine for the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam picks out your weak spots and makes you drill them until they stick — a smarter way to master the 278 practice questions for the JN0-660 exam.

Juniper JN0-660 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:JNCIP Service Provider Routing and Switching Exam
Exam Number:JN0-660
Related Certifications:JNCIS-SP
JNCIA-Junos
JNCIE-SP
JNCIP-ENT
Certificate Validity Period:3 years
Real Exam Qty:Approx. 65 multiple-choice and scenario-based questions
Passing Score:Variable (scored exam; passing threshold is not publicly fixed and may be scaled)
Exam Price:USD 300 (approx., varies by region)
Exam Duration:120 minutes
Available Languages:English
Exam Format:Scenario-based questions, Multiple-response, Multiple-choice
Recommended Training:Juniper Learning – JNCIP-SP Training
Service Provider Routing and Switching Courses
Exam Registration:Pearson VUE Juniper Exams
Juniper Certification Portal
Sample Questions:Free Download real JN0-660 practice test
Exam Way:Pearson VUE proctored exam (online or authorized test center)
Pre Condition:Recommended: JNCIS-SP certification and strong experience with Junos OS, BGP, MPLS, and service provider routing technologies
Official Syllabus URL:https://www.juniper.net/us/en/training/certification/certification-tracks/service-provider-routing-and-switching/jncip-sp.html

Juniper JN0-660 Exam Syllabus Topics:

SectionObjectives
MPLS and VPN Services- MPLS Control and Data Plane
  • 1. Label distribution and path selection
    • 2. LDP and RSVP-TE
      - Layer 2 and Layer 3 VPNs
      • 1. L2VPN (VPLS, EVPN basics)
        • 2. L3VPN architecture and route targets
          Service Provider Routing Fundamentals- BGP in Service Provider Networks
          • 1. BGP scaling and stability mechanisms
            • 2. Route reflectors and confederations
              • 3. BGP policy and route selection
                - IGP Operations and Optimization
                • 1. IS-IS design and scaling
                  • 2. Route summarization and convergence tuning
                    • 3. OSPF in service provider environments
                      Multicast and Advanced Services- IP Multicast
                      • 1. PIM-SM operations
                        • 2. Multicast distribution in SP networks
                          Operations and Troubleshooting- Network Troubleshooting
                          • 1. Performance and failure analysis
                            • 2. BGP/MPLS troubleshooting techniques
                              Traffic Engineering and QoS- MPLS Traffic Engineering
                              • 1. Fast reroute mechanisms
                                • 2. RSVP-TE tunnels and constraints
                                  - Quality of Service (CoS)
                                  • 1. Traffic classification and marking
                                    • 2. Scheduling and congestion management

                                      Everything You Wanted to Ask About the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) Exam

                                      Which domains make up the JN0-660 exam?

                                      The Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam spans 5 domains, and they are not weighted equally. The top areas are Multicast and Advanced Services, Operations and Troubleshooting, Traffic Engineering and QoS. Budget your study hours to match those weights; the full domain list is in the outline section further up this page.

                                      Are there official Juniper courses for the JN0-660 exam?

                                      Yes. Juniper officially recommends these training options for the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam:

                                      Training builds the foundation — then measure it with the 278 practice questions for the JN0-660 exam from Real4test to see how you perform when the clock is running.

                                      What is the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam, in plain terms?

                                      The JN0-660 exam is Juniper's official certification test, and passing it earns the Juniper Networks Certified Internet Professional – Service Provider Routing and Switching (JNCIP-SP) credential at the Professional level. In career terms, it is verified proof of skill — the kind that moves you up the shortlist when your company works with Juniper technologies, or when you apply to one that does. The same track also includes JNCIA-Junos, JNCIS-SP, JNCIP-ENT, JNCIE-SP, so this exam can anchor a longer certification plan.

                                      What is the JN0-660 passing score, and how much is the exam fee?

                                      You pass the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam at Variable (scored exam; passing threshold is not publicly fixed and may be scaled), and each attempt costs USD 300 (approx., varies by region) — fail, and that fee is due again in full for the retake. Treat mock exams as insurance: keep practicing with Real4test until your scores sit comfortably above Variable (scored exam; passing threshold is not publicly fixed and may be scaled) twice in a row, then schedule the real JN0-660 exam.

                                      Can I check your JN0-660 questions before buying?

                                      Please do. Real4test offers a free demo download for the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam — grab it from the product page or leave your email and we will send it over. Purchases come with 365 days of free updates; after that year, extending the update service costs 50% of the original price in your member zone.

                                      How many questions are in the JN0-660 exam and how long does it run?

                                      The Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam packs Approx. 65 multiple-choice and scenario-based questions questions into 120 minutes. That ratio leaves almost no room for stalling, so time management is a trained skill, not luck. Our suggestion: rehearse full-length timed sessions in the Real4test engine, learn to park a question and return later, and walk into the JN0-660 exam with a pacing plan already rehearsed.

                                      What are the eligibility requirements for the JN0-660 exam?

                                      Recommended: JNCIS-SP certification and strong experience with Junos OS, BGP, MPLS, and service provider routing technologies Since Juniper revises these rules from time to time, confirm the current prerequisites on the official exam page (https://www.juniper.net/us/en/training/certification/certification-tracks/service-provider-routing-and-switching/jncip-sp.html) before booking your Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam.

                                      What if I fail — and how fast is delivery?

                                      Delivery is effectively instant: your JN0-660 download link is emailed within one minute of payment, with no cap on how many computers you install it on. If the email has not shown up within 2 hours, check spam and contact our 7x24 support — we reply quickly and resend immediately. If you fail the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam itself, the refund policy applies when you took the corresponding exam within 60 days of purchase: submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund is processed within 7 days. Not covered: attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders — and the candidate name must match the payer name. Prefer material over money? Exchange for two free exam products of equal value and keep the update service on your original purchase.

                                      Where can I register for the Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) exam?

                                      Use Juniper's official registration channels:

                                      The exam is offered as Pearson VUE proctored exam (online or authorized test center) — choose the format that fits your situation when you schedule.

                                      Juniper Service Provider Routing and Switching, Professional (JNCIP-SP) Sample Questions:

                                      Question #1
                                      Which table is considered the MPLS routing table?

                                      A. inet.2
                                      B. inet.0
                                      C. inet.3
                                      D. inet6.0


                                      Question #2
                                      You are configuring CoS schedulers on an M Series router. For some queues, you want to limit throughput to the configured transmit rate, and buffer excess traffic.
                                      Which two transmission rate options can you use? (Choose two.)

                                      A. remainder
                                      B. rate-limit
                                      C. exact
                                      D. shaping-rate


                                      Question #3
                                      Click the Exhibit button.

                                      All networks shown in the exhibit contain more than one BGP speaking router. You operate ISP A.
                                      You must ensure that customer Y sends their traffic to you over the directly connected link but customer Y is not used for transit into your network. What do you do to accomplish this?

                                      A. Advertise routes to customer Y with the well-known no-export community.
                                      B. Advertise routes to customer Y with the well-known no-transit community.
                                      C. Advertise routes to customer X with the well-known as-transit community.
                                      D. Advertise routes to customer X with the well-known no-advertise community.


                                      Question #4
                                      What does the Junos command advertise-inactive allow?

                                      A. the second-best BGP route to be re-advertised by BGP, to back up the best BGP route
                                      B. OSPF inactive routes to be advertised using BGP
                                      C. the best BGP route to be re-advertised by BGP, even when it is not the best route
                                      D. inactive and hidden BGP routes to be redistributed into OSPF


                                      Question #5
                                      Given the following regular expression: (14203121870)
                                      Which two AS paths will match? (Choose two.)

                                      A. 1045814203
                                      B. 27522 14203 21870
                                      C. 10458 21870 21870
                                      D. 21870


                                      Solutions:

                                      Question #1
                                      Correct Answer: C
                                      Question #2
                                      Correct Answer: C,D
                                      Question #3
                                      Correct Answer: A
                                      Question #4
                                      Correct Answer: C
                                      Question #5
                                      Correct Answer: A,D

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