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Hi Friends! At the very least, you need a network operating system that facilitates resource sharing. The network operating system defines the "language" used by the network to control input and output operations. This capability can either be built into the operating system (such as on Apple- and UNIX- based computers), or it can be an addition to the primary operating system (such as NetWare is added to DOS or MS Windows). In addition to the network operating system, you also need network interface cards (NICs) for all networked devices (PC's, servers, and others) to provide the appropriate connection to the LAN.
However, if you're just starting out, probably the most important piece of equipment you'll need is a "hub" - a device that, as the name implies, resides at the center of a network, where it provides a common link between users. Hubs come in a variety of sizes for supporting everything from small, low-density workgroups to large corporate-wide networks. You simply buy a hub that has enough connections, or "ports," to suit your current needs. As your requirements grow, you can easily add more hubs or other components such as bridges, routers or network management to keep data moving and help you maintain control over the system. Thanks.
Posted by alwin
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