Wireless N Adapter RNX-N250UB User Manual
PPP
Point-to-Point Protocol is used for two computers to communicate with each over a serial interface,
like a phone line
PPPoE
Point-to-Point Protocol over Ethernet is used to connect multiple computers to a remote server
over Ethernet
PPTP
Point-to-Point Tunneling Protocol is used for creating VPN tunnels over the Internet between two
networks
Preamble
Used to synchronize communication timing between devices on a network
Q QoS
Quality of Service
R RADIUS
Remote Authentication Dial-In User Service allows for remote users to dial into a central server
and be authenticated in order to access resources on a network
Reboot
To restart a computer and reload it's operating software or firmware from nonvolatile storage.
Rendezvous
Apple's version of UPnP, which allows for devices on a network to discover each other and be
connected without the need to configure any settings
Repeater
Retransmits the signal of an Access Point in order to extend it's coverage
RIP
Routing Information Protocol is used to synchronize the routing table of all the routers on a
network
RJ-11
The most commonly used connection method for telephones
RJ-45
The most commonly used connection method for Ethernet
RS-232C
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