Cisco RV016 - Small Business - 10/100 VPN Router User's Guide download pdf (Page 121)

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Appendix G: Glossary

10/100 16-Port VPN Router

OFDM (Orthogonal Frequency Division Multiplexing) - A type of modulation technology that separates the data

stream into a number of lower-speed data streams, which are then transmitted in parallel. Used in 802.11a,

802.11g, and powerline networking.

Packet - A unit of data sent over a network.

Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically

generating the WEP encryption keys for Linksys products.

Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.

POP3 (Post Office Protocol 3) - A standard protocol used to retrieve e-mail stored on a mail server.

Port - 1. The connection point on a computer or networking device used for plugging in a cable or an adapter. 2.

The virtual connection point through which a computer uses a specific application on a server.

Power over Ethernet (PoE) - A technology enabling an Ethernet network cable to deliver both data and power.

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 Protocol) - 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.

Preamble - Part of the wireless signal that synchronizes network traffic.

RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control

network access.

RJ-45 (Registered Jack-45) - An Ethernet connector that holds up to eight wires.

Roaming - The ability to take a wireless device from one access point's range to another without losing the

connection.

Router - A networking device that connects multiple networks together, such as a local network and the Internet.

RTS (Request To Send) - A packet sent when a computer has data to transmit. The computer will wait for a CTS

(Clear To Send) message before sending data.

Server - Any computer whose function in a network is to provide user access to files, printing, communications,

and other services.

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Cisco RV016 - Small Business - 10/100 VPN Router User's Guide Page 121