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Intranet
A network based on TCP/IP protocols (an internet) belonging to an organization,
usually a corporation, accessible only by the organization's members, employees, or
others with authorization.
IP Address
An identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP
protocol route messages based on the IP address of the destination. The format of an
IP address is a 32-bit numeric address written as four numbers separated by periods.
Each number can be zero to 255. For example, 1.160.10.240 could be an IP address.
ISDN
Abbreviation of integrated services digital network, an international communications
standard for sending voice, video, and data over digital telephone lines. ISDN requires
special metal wires and supports data transfer rates of 64 Kbps (64,000 bits per
second).
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)
A computer 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. A system 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 interfaces directly
with the network media. Consequently, each different type of network media requires a
different MAC layer.
PPP
PPP (Point-to-Point protocol) is a communications protocol for transmitting information