The JN0-664 exam, also known as "Service Provider Routing and Switching, Professional," is a certification exam offered by Juniper Networks. This exam is designed to assess the knowledge and skills of IT professionals in the domain of service provider routing and switching. Exam Overview: Exam Code: JN0-664 Certification: Juniper Networks Certified Professional Service Provider Routing and Switching (JNCIP-SP) Exam Format: The exam consists of multiple-choice questions, and it is proctored. Exam Topics: The JN0-664 exam covers a range of topics related to service provider routing and switching, including: Service Provider Routing and Services Service Provider VPNs Class of Service (CoS) Multicast High Availability Troubleshooting Preparation Resources: To prepare for the JN0-664 exam, candidates can utilize various resources, including: Official Juniper Networks training courses Study guides and documentation provided by Juniper Networks Practice exams and sample questions Hands-on experience with Juniper Networks equipment and software