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various transmission methods. It was developed y the

Department of Defense to connect different computer types

and led to the development of the Internet.

Transceiver

A transceiver joins two network segments together.

Transceivers can also be used to join a segment that uses

one medium to a segment that uses a different medium. On

a 10BASE-5 network, the transceiver connects the network

adapter or other network device to the medium.

Transceivers also can be used on 10BASE-2 or 10BASE-T

networks to attach devices with AUI ports.

UDP

The User Datagram Protocol is a connectionless protocol

that resides above IP in the TCP/IP suite

User Name

The USERNAME is the unique name assigned to each person

who has access to the LAN.

Utility

It is a program that performs a specific task.

UTP

Unshielded twisted-pair. UTP is a form of cable used by all

access methods. It consists of several pairs of wires enclosed

in an unshielded sheath.

WAN

Wide-Area Network. A wide-area network consists of groups

of interconnected computers that are separated by a wide

distance and communicate with each other via common

carrier telecommunication techniques.

WEP

WEP is widely used as the basic security protocol in Wi-Fi

networks, which secures data transmissions using 64-bit or

128-bit encryption.

Windows

Windows is a graphical user interface for workstations that

use DOS.

WPA

WPA (Wi-Fi Protected Access ) is used to improve the security

of Wi-Fi networks, replacing the current WEP standard. It

uses its own encryption, Temporal Key Integrity Protocol