ppcboot
Cisco Wireless LAN Controller Bootloader.
PPP
Proxy Server
Used in larger companies and organizations to improve network operations and security, a proxy server is able to prevent direct communication between two or more networks. The proxy server forwards allowable data requests to remote servers and/or responds to data requests directly from stored remote server data.
QoS
Quality of Service. A term that guarantees a specific throughput level. For instance, high QoS can be used to ensure adequate throughput for Voice over WLAN.
Range
How far will your wireless network stretch? Most
RADIUS
Remote Authentication
Residential Gateway
A wireless device that connects multiple PCs, peripherals and the Internet on a home network. Most
RF
Radio Frequency. A frequency within which radio waves may be transmitted.
RJ-45
Standard connectors used in Ethernet networks. Even though they look very similar to standard
Roaming
Moving seamlessly from one AP coverage area to another with no loss in connectivity.
Router
A device that forwards data packets from one local area network (LAN) or wide area network (WAN) to another. Based on routing tables and routing protocols, routers can read the network address in each transmitted frame and make a decision on how to send it via the most efficient route based on traffic load, line costs, speed, bad connections, etc.
RSN
Robust Security Network. An IEEE 802.11i working group strong authentication and encryption standard that uses 802.1X, EAP, AES, TKIP, and MIC.