Question

Explaining all the important terminologies for networking subject

Answer 1

Local Area NetworkLAN also known as Local Area Network are networks restricted on the bases of the area they cover. These networks stretch around an area of 10 meters to 1 km. "LANs enabled multiple users in a relatively small geographical area to exchange files and messages, as well as access shared resources such as file servers and printers." The commonly used LAN devices include repeaters, hubs, LAN extenders, bridges, LAN switches, and routers.Metropolitan Area NetworkMAN also known, as Metropolitan AreaNetwork is a network that is larger than LANs spreading across an area of 1 km to 10kms. A simple example for this type of network is the branches of a bank spread across the city and are connected for information exchange.Wide Area NetworkWAN also known, as Wide Area Network is a network that is larger than a MAN, it spreads across an areaof 100kms to 1000 kms. "A WAN is a data communications network that covers a relatively broad geographic area and that often uses transmissionfacilities provided by common carriers, such as telephone companies.WAN technologies generally function at the lower three layers of the OSI reference model: the physical layer, the data link layer, and the network layer." A simple example for these networks is the network of a huge IT company, which contains branches all over the world with all its branches connected to each other.

Answer 2

A basic understanding of networking is important for anyone managing a server. Not only is it essential for getting your services online