Two disadvantages of the wireless LAN are that it requires a few more steps to secure it from intrusion and it can be slower and, if interference is present, less reliable than a wired network. Wireless LANs also provide more flexibility than wired LANs and are less expensive. Because there are no wires running to the clients, one of the main advantages of a wireless LAN is easy installation. It also avoids the costly expense of running Ethernet cable throughout a building, providing easy, effortless desktop connectivity between clients. One can work on a laptop in any room in the house - even the backyard in most cases - and still share the network connection from the server.Īt the office, a wireless LAN provides instant connectivity to mobile personnel. This makes a wireless LAN very convenient because the client can remain mobile anywhere within the broadcasting range of the network.
Once the wireless LAN has been set up on the server and client, the machines can communicate by sending and receiving data via radio waves. Many, but not all, wireless NICs feature a small antenna. This might be a PCMCIA NIC, a USB device or even an internal wireless NIC. Instead, each machine must have a wireless NIC installed. The clients, however, do not require cabling. The connections from the desktop server to the DSL modem, switch and router are made with physical Ethernet cables.
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