Appendix B: Glossary
Network - A system that transmits any combination of voice, video, and/or data between users.
Network Interface Card (NIC) - The circuit board or other hardware that provides the interface between a communicating DTE and the network. Also called an adapter.
Network Mask - also known as the "Subnet Mask".
Notebook (PC) - A notebook computer is a
Packet Filtering - A second layer of filtering on top of the standard filtering provided by a traditional transparent bridge. Can improve network performance, provide additional security, or logically segment a network to support virtual workgroups.
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Partitioning - To divide a resource or application into smaller pieces.
Ping (Packet Internet Grouper) - Refers to the ICMP echo message and its reply. Often used to test the reachability of a network device.
Point to Point Tunneling Protocol (PPTP) - Manages the separation of traffic streams via tunneling over PPP.
Port - A pathway into and out of the computer or a network device such as a switch or Router. For example, the serial and parallel ports on a personal computer are external sockets for plugging in communications lines, modems, and printers.