90030500B Glossary Page 249
Note:
“RFCs” are Request For Comment documents relating to networking sub-
jects. You can download an RFC from any of the following Internet sites:
•
DS.INTERNIC.NET
. Directory
/ftp/rfc
•
NIS.NSF.NET
. Directory
internet/documents/rfc
•
NISC.SRI.COM
. Directory
rfc
RFCs are typically maintained as text files identified by the number of the docu-
ment, for example,
rfc0768.txt
.
SNMP
Simple Network Management Protocol, a method of
administering devices that are connected to an IP network.
See
RFC1157
for more information.
TCP/IP
Transmission Control Protocol/Internet Protocol. TCP
corresponds to Layer 4 of the OSI model, the data transport
layer. IP corresponds to Layer 3 of the OSI model, the net-
work layer. See
RFC793
and
RFC791
for more informa-
tion.
Telnet
A command used to establish a connection between two
computers. See
RFC854
for more information.
Terminal emulator
Software that allows (typically) a PC to function as a ter-
minal.
TFTP
Trivial File Transfer Protocol. See
FTP
.
TTY
A Teletype standard compatible terminal.
Twisted pair wiring
Unshielded, twisted pair wiring is typically used in tele-
phone systems. It is also compatible with the 10BaseT
Ethernet standard.
UDP
User Datagram Protocol. A method of multiplexing IP
data. See
RFC768
for more information.
UL
Underwriters Laboratories
UUCP
Unix-to-Unix copy.
WA N
Wide Area Network, a network spanning a large geograph-
ical area.
WWW
World Wide Web. Areas of the Internet that are accessed
by the HTTP protocol.
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