CISCO

Cisco is an American multinational corporation that manufactures networking equipment and communications software. The company was founded in 1984 by Leonard Bosak, 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 networking professionals, such as CCNA, CCNP, and CCIE. Cisco has an extensive global presence and is a provider of networking solutions for many of the world's largest companies.