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Appendix D: Glossary
IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device.
ISP (Internet Service Provider) - A company that provides access to the Internet.
LAN - The computers and networking products that make up your local network.
MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking device.
Mbps (MegaBits Per Second) - One million bits per second; a unit of measurement for data transmission.
NAT (Network Address Translation) - NAT technology translates IP addresses of a local area network to a different IP address
for the Internet.
Network - A series of computers or devices connected for the purpose of data sharing, storage, and/or transmission between
users.
Packet - A unit of data sent over a network.
Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
POP3 (Post Office Protocol 3) - A standard mail server commonly used on the Internet.
Port - The connection point on a computer or networking device used for plugging in cables or adapters.
PPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication (username and
password) in addition to data transport.
PPTP (Point-to-Point Tunneling P
rotocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be tunneled through
an IP network. This protocol is also used as a type of broadband connection in Europe.
RJ-45 (Registered Jack-45) - An Ethernet connector that holds up to eight wires.
Router - A networking device that connects multiple networks together.