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station includes both physical nodes and addressable logical devices. Workstations, single-attach
stations, dual-attach stations, and concentrators are FDDI stations.
Subnet mask
In TCP/IP, the bits used to create the subnet are called the subnet mask.
T
(TCP/IP)
Transmission Control Protocol/Internet Protocol is a widely used transport protocol that connects
diverse computers of 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.
U
UDP
The User Datagram Protocol is a connectionless protocol that resides a
b
ove 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 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-
b
ased workstation. The workstation is any intelligent
device a user works from.