CISCO

Cisco is an American multinational corporation that manufactures networking equipment and communications software. The company was founded in 1984 by Leonard Bosack, Sandy Lerner and William Yeager. Cisco is one of the largest manufacturers of networking equipment in the world and is known for its routers, switches and other networking products. The company is also known for its series of certification programs for network professionals, such as CCNA, CCNP, and CCIE. Cisco has a broad global presence and is a provider of networking solutions to many of the world's largest companies.