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.

U

 

UDP

The User Datagram Protocol is a connectionless protocol that resides above IP in the TCP/IP

 

suite

ULP

The upper-layer protocol refers to Application Layer protocols such as FTP, SNMP, and SMTP.

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.

W

 

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.

Windows

Windows is a graphical user interface for workstations that use DOS.

Workgroup

A workgroup is a group of users who are physically located together and connected to the same

 

LAN, or a group of users who are scattered throughout an organization but are logically

 

connected by work and are connected to the same network group.

Workstations

Workstation refers to the intelligent computer on the user’s desktop. This computer may be an

 

Intel-based PC, a Macintosh, or a UNIX-based workstation. The workstation is any intelligent

 

device a user works from.

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