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Gateway - A device that interconnects networks with different, incompatible communications
protocols.
Half Duplex - Data transmission that can occur in two directions over a single line, but only
one direction at a time.
HTTP (HyperText Transport Protocol) - The communications protocol used to connect to
servers on the World Wide Web.
Infrastructure - A wireless network that is bridged to a wired network via an access point.
IP (Internet Protocol) - A protocol used to send data over a network
IP Address - The address used to identify a computer or device on a network.
IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular
networking device.
IPSec (Internet Protocol Security) - A VPN protocol used to implement secure exchange of
packets at the IP layer.
ISP (Internet Service Provider) - A company that provides access to the Internet.
LAN - The computers and networking products that make up your local network.
MAC (Media Access Control) Address - The unique address that a manufacturer assigns to
each networking device.
Mbps (MegaBits Per Second) - One million bits per second; a unit of measurement for data
transmission.
NAT (Network Address Translation) - NAT technology translates IP addresses of a local area
network to a different IP address for the Internet.
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 mail server commonly used on the Internet.
Port - The connection point on a computer or networking device used for plugging in cables or
adapters.
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.
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.
Summary of Contents for TEV-639GR
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