2. What is a Network? A network is an intricately connected system of objects or people. Networks are all around us, even inside us. Your own nervous system and cardiovascular system are networks. A network is simply a group of two or more computers linked together. An endpoint of a network connection is referred as a node . That is, any device attached to a network, including computer terminals or workstations, peripherals such as printers, and file servers , is a node on a computer network.
