Phone Adapter with 2 Ports for Voice-over-IP
32 Appendix C: Glossary
Topology - The physical layout of a network.
TX Rate - Transmission Rate.
UDP (User Datagram Protocol) - A network protocol for transmitting data that does not require acknowledgement from the
recipient of the data that is sent.
Upgrade - To replace existing software or firmware with a newer version.
Upload - To transmit a file over a network.
URL (Uniform Resource Locator) - The address of a file located on the Internet.
VPN (Virtual Private Network) - A security measure to protect data as it leaves one network and goes to another over the
Internet.
WAN (Wide Area Network)- The Internet.
WINIPCFG - A Windows 98 and Me utility that displays the IP address for a particular networking device.