ISP
Short for Internet Service Provider, a company that provides
access to the Internet. For a monthly fee, the service provider gives
you a software package, username, password and access phone
number. Equipped with a modem, you can then log on to the Internet
and browse the World Wide Web and USENET, and send and receive
e-mail.
Local Area Network (LAN)
Acomputer network that spans a relatively small area. Most
LANs are confined to a single building or group of buildings. However,
one LAN can be connected to other LANs over any distance via
telephone lines and radio waves. Asystem of LANs connected in this
way is called a wide-area network (WAN)
MAC Address
Short for Media Access Control address, a hardware address
that uniquely identifies each node of a network. In IEEE 802 networks,
the Data Link Control (DLC) layer of the OSI Reference Model is
divided into two sublayers: the Logical Link Control (LLC) layer and the
Media Access Control (MAC) layer. The MAC layer communicate
directly with the network media. Consequently, each different type of
network media requires a different MAC layer.
TCP/IP
Acronym for Transmission Control Protocol/Internet Protocol,
the suite of communications protocols used to connect hosts on the
Internet.
Appendix C
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