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Appendix C - Specifications
77
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 by the
Department of Defense to connect different computer types and led to the develop-
ment 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 above IP in the
TCP/IP suite
ULP
The upper-layer protocol refers to Application Layer protocols such as FTP,SNMP, and
SMTP.
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 com-
puters that are separated by a wide distance and communicate with each other via
common carrier telecommunication techniques.
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.