WHAT IS NETWORK? — A network is a collection of computers, servers, network devices, peripherals, or other devices connected to one another to allow the sharing of data. — An example of a network is the Internet , which connects millions of people all over the world. FIRST NETWORK — A dvanced R esearch P rojects A gency N etwork ( ARPANET ) was the first operational computer network, developed by US Advanced Research Project Agency BASIS OF CLASSIFICATION OF NETWORKS — Network Type depends upon the size of network how much area does the network cover. TYPES OF NETWORKS PAN — LAN — WLAN — CAN — MAN — SAN — WAN PAN — PAN stands for P ersonal A rea N etwork. — PAN is used for connecting small devices such as laptops, smart phones, tablets with the help of Bluetooth, NFC, Infrared. — PAN is generally used for transferring small file...
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