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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-
p
air. 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
b
y a wide distance and communicate with each other
via common carrier telecommunication techniques.