What is computer networking
A computer network or data network is a telecommunications network that allows computers to exchange data. In computer networks, networked computing devices pass data to each other along data connections. The connections (network links) between nodes are established using either cable media or wireless media. The best-known computer network is the Internet.
CCNA is a popular certification in computer networking developed by Cisco Systems. Cisco created the CCNA to recognize basic competency in installation and support of medium-sized networks
CCNP is a professional or "journeyman" level networking certification. Cisco created the CCNP to recognize advanced skills in computer networking, particularly for installation and support of medium-sized LAN/WAN networks
The Microsoft Certified IT Professional (MCITP) is a certification that measures a candidate's knowledge on design, deployment, operation, and management of a variety of Microsoft solutions for business