Free JN0-661: Service Provider Routing and Switching Exam Questions and Answers
Service Provider Routing and Switching is exam JN0-661, part of the Juniper Networks Certification Program. Juniper's written exams share one format across every track and level: 65 multiple-choice questions in 90 minutes, delivered by Pearson VUE. The JN0- code carries the track in its second digit — 3 is security, 4 enterprise routing and switching, 5 Mist AI, 6 service provider, 8 data centre — and the level in the first, running Associate, Specialist, Professional and Expert.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 12, 2026
- Exam code
- JN0-661
- Provider
- Juniper
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
What is the function of the Routing Information Protocol (RIP) in a service provider network?
Please select an optionIncorrectCorrect answer: D
RIP is a distance vector routing protocol that uses hop count as its metric.
Was this answer correct?Question #2
In which layer of the OSI model does MPLS primarily operate?
Please select an optionIncorrectCorrect answer: B
MPLS operates at Layer 2 (Data Link) and Layer 3 (Network) of the OSI model.
Was this answer correct?Question #3
Which protocol is used to manage and configure devices in a Juniper SRX?
Please select an optionIncorrectCorrect answer: C
SNMP is widely used to manage and monitor network devices including Juniper SRX firewalls.
Was this answer correct?Question #4
What does BGP stand for in routing protocols?
Please select an optionIncorrectCorrect answer: D
BGP stands for Border Gateway Protocol, which is used for inter-domain routing.
Was this answer correct?Question #5
Which command checks the status of BGP neighbors in Junos OS?
Please select an optionIncorrectCorrect answer: D
The command 'show bgp neighbor' is specifically used to check the status of BGP peers.
Was this answer correct?Question #6
In MPLS, what does the term "label" refer to?
Please select an optionIncorrectCorrect answer: B
In MPLS, a label is a short, fixed-length identifier used to forward packets through a network.
Was this answer correct?Question #7
What does LDP stand for in MPLS technology?
Please select an optionIncorrectCorrect answer: A
LDP stands for Label Distribution Protocol, which is used to distribute labels to routers in an MPLS network.
Was this answer correct?Question #8
What is the purpose of OSPF's LSDB?
Please select an optionIncorrectCorrect answer: D
OSPF's Link State Database (LSDB) contains information about the network topology and is used for route calculation.
Was this answer correct?Question #9
Which of the following is a valid BGP path attribute?
Please select an optionIncorrectCorrect answer: B
AS Path is a well-known mandatory BGP path attribute that describes the path taken by the route through various Autonomous Systems.
Was this answer correct?Question #10
In a service provider network, what would you use to increase the reliability of routing?
Please select an optionIncorrectCorrect answer: D
Redundant links can provide alternative paths for data, increasing routing reliability in the event of a failure.
Was this answer correct?
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Other Juniper certifications
- JN0-347: Enterprise Routing and Switching, Specialist (JNCIS-ENT) (opens in a new tab)
- JN0-634: Security Professional (JNCIP-SEC) (opens in a new tab)
- JN0-1101: Juniper Networks Certified Design Associate (JNCDA) (opens in a new tab)
- JN0-360: Juniper Networks Certified Internet Specialist SP (JNCIS-SP) (opens in a new tab)
- JN0-104: Junos, Associate (JNCIA-Junos) (opens in a new tab)
- JN0-230: Security, Associate (JNCIA-SEC) (opens in a new tab)
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FAQ
Learn More: https://www.juniper.net/us/en/training/certification.html
- Q1: What is the JN0-661: Service Provider Routing and Switching exam?
- A: JN0-661: Service Provider Routing and Switching is a Juniper certification exam. Judging by the questions in our bank, it concentrates on MPLS, juniper, junos, provider and routing.
- Q2: What topics does the JN0-661: Service Provider Routing and Switching exam cover?
- A: Questions in our JN0-661: Service Provider Routing and Switching bank cluster around MPLS, juniper, junos, provider, routing, OSPF, label and route. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for JN0-661: Service Provider Routing and Switching?
- A: Work through the JN0-661: Service Provider Routing and Switching practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real JN0-661: Service Provider Routing and Switching exam questions?
- A: They are drawn from officially released past questions and from community members who have sat JN0-661: Service Provider Routing and Switching. Answers are verified and updated weekly.
- Q5: Where do I register for the JN0-661: Service Provider Routing and Switching exam?
- A: Register through Juniper directly at https://www.juniper.net/us/en/training/certification.html. Exampractice is not affiliated with Juniper and does not administer the exam.
- Q6: Is there a free JN0-661: Service Provider Routing and Switching sample?
- A: Yes. Every JN0-661: Service Provider Routing and Switching page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Juniper Certification Exams?
- A: Juniper Certification Exams validate your expertise in using and managing Juniper Networks’ products and solutions, including routing, switching, security, and automation. These certifications demonstrate your proficiency in deploying, configuring, and troubleshooting Juniper technologies to optimize network performance and security.
- Q8: Why should I pursue Juniper Certification?
- A: Juniper Certification enhances your professional credibility, showcasing your skills and knowledge in networking and security. This can lead to better job opportunities, higher salaries, and career advancement in IT, networking, and cybersecurity roles.
- Q9: What are the benefits of Juniper Certification?
- A: Benefits include recognition as a certified Juniper professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Juniper technologies and best practices.
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- A: Network engineers, system administrators, security professionals, and anyone involved in managing and implementing Juniper Networks’ solutions should consider these certifications to validate their expertise and advance their careers.
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- A: Juniper offers various certification paths, including:
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- A: Preparation can include official Juniper training courses, study guides, practice exams, online tutorials, and hands-on experience with Juniper products and solutions.
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