ITHELPDESK

What is meant by LAN? A Local Area network (LAN) is a relatively small localized network used in a home, a company, an institution or a department. LANs often uses cables or radio waves for transmission. A LAN is usually contained within a campus or a building. Owned and maintained by the organization in which the LAN is installed. LANs are relatively inexpensive and are typically faster but the area covered is relatively small compared to WAN. LAN devices: Switches, Repeaters, Hubs & Bridges.                VLAN concepts What is meant by WAN? A Wide Area Network (WAN) is nothing but a network of multiple LANs around the world. WANs often use leased lines, telephone or satellite communications. Covers large geographical areas like cities, states, nations etc.. Leased to WAN services vendor (ISPs), so it is maintained by the same vendor. WANs are relatively expensive WAN devices: Routers, multilayer switches, Frame relays ...