The prerequisite for CCNP SP Operations Certifications is to have a valid CCNA Service Provider Operations Certification. To be a Certified CCNP SP Operations you need top pass four exams. Following are the details.

642-770 OFCN Operational Foundations for Cisco Service Provider Core Networks (OFCN)

642-775 MSPRP Maintaining Cisco Service Provider Routing Protocols (MSPRP)

642-780 MSPVM Maintaining Cisco Service Provider VPNs and MPLS Networks (MSPVM)

642-785 MSPQS Maintaining Cisco Service Provider Quality of Service (MSPQS)

Each exams costs $ 150 each and this certification is valid for 3 years. To recertify you must pass any of the 642 exam which is the part of the professional level curriculum or any CCIE /CCDE written exam of course before the certification expiring date

With a CCNP SP Operations certification, a network professional demonstrates the knowledge and skills required to isolate network performance problems, implement proactive fault measures using operations management processes, frameworks, and network management systems.