The Cisco Certified Network Professional (CCNP) certification is a series of exams measuring advanced knowledge of networks. CCNP certification validates a network professional's ability to install, configure and troubleshoot converged local and wide area networks with 100 to 500 or more nodes. Network Professionals who achieve the CCNP have demonstrated the knowledge and skills required to manage the routers and switches that form the network core, as well as edge applications that integrate voice, wireless and security into the network.