Dell TrueMobile 2300 Dell TrueMobile 2300 Hardware Installation Guide - Page 27
Virtual Local Area Network VLAN, Virtual Server, Wide Area Network WAN, xDSL Modem
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data into small units, called "packets," to be sent to another computer and how the receiving computer reassembles the packets into a single file. IP determines how the packets are routed across the Internet. See Internet Protocol. Virtual Local Area Network (VLAN): A VLAN is a network of computers that behave as if they are connected to the same wire, even though they may be physically located on different segments of a LAN. VLANs are configured through software rather than hardware, which makes them extremely flexible. When a computer on a VLAN is physically moved to another location, it can stay on the same VLAN without any hardware reconfigurations. Virtual Server: A virtual server is a device that performs Internet protocol (IP) mapping. IP mapping allows remote client access to your network via the Internet. Wide Area Network (WAN): A WAN is a communications network that uses devices such as telephone lines, satellite dishes, or radio waves to span a larger geographic area than can be covered by a LAN. Wireless Local Area Network (WLAN): A WLAN is a type of Local Area Network (LAN) that uses high frequency radio waves rather than wires to communicate and transmit data among the network clients and devices. It is a flexible data communication system implemented as an extension to, or as an alternative for, a wired LAN. Just like a LAN, the network lets users at that location share files, printers and other services. xDSL Modem: DSL is a type of service that allows people to access the Internet via their telephone lines. This service is typically available via a telephone company or service provider. An xDSL connection is a high-speed digital connection to the Internet using standard copper twisted pair telephone wires. There are several kinds of DSL; the x refers to all of them.
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