If you are looking for a certification that validates your advanced knowledge and skills in service provider routing and switching technologies, then you might want to consider the Service Provider Routing and Switching, Professional (JNCIP-SP) certification from Juniper Networks.

The JN0-664 exam is a 90-minute test that consists of 65 multiple-choice questions. The exam covers various topics related to service provider routing and switching, such as:

- OSPF
- IS-IS
- BGP
- Class of Service (CoS)
- IP Multicast
- Layer 3 VPNs
- Layer 2 VPNs
- IPv6
- MPLS
- Routing policy and firewall filters

To pass the JN0-664 exam, you need to score at least 65% on the test. The exam is administered by Pearson VUE at authorized testing centers worldwide. You can register for the exam online or by phone. The exam fee is $400 USD.

The JN0-664 exam is designed for experienced networking professionals who have at least two years of hands-on experience in configuring and troubleshooting Juniper Networks devices running the Junos OS. The exam also assumes that you have a basic understanding of networking concepts and protocols.

By passing the JN0-664 exam, you will demonstrate your ability to implement, troubleshoot, and maintain service provider networks using Juniper Networks technology. You will also gain a competitive edge in the job market and enhance your career prospects.

The JNCIP-SP certification is valid for three years. To maintain your certification, you need to pass the current version of the JN0-664 exam or a higher-level Juniper Networks certification exam before your certification expires.

If you are interested in taking the JN0-664 exam, we recommend that you prepare well by reviewing the exam objectives, taking practice tests, and enrolling in official training courses from Juniper Networks. You can also find various study resources online, such as books, blogs, forums, videos and JN0-664 exam dumps from Dumpsinfo.