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Glossary
firewall
A firewall is a security device that helps prevent users outside your
network from accessing your LAN or WLAN. A firewall uses
special software that keeps unauthorized users out of your
network.
hot-swap
To hot-swap is to remove or attach a device without first shutting
off your computer.
hub
A hub works with a computer like a power strip works with an
electrical outlet—it multiplies the number of ports you have so that
you can have more devices plugged in at the same time.
Infrastructure mode
See operating mode.
LAN
Stands for Local Area Network. LANs are wired networks.
LED
Stands for Light-Emitting Diode.
MAC address
A Media Access Control (MAC) address is a 12-character string
that uniquely identifies each network device on your network (for
instance, your Wireless USB Adapter or Wireless AP). A MAC
address is built into each device. Each network device is labelled
with its MAC address.
network
A network is two or more computers connected so that they can
share information, equipment, and programs.
network device
A network device is any device (such as an AP or a computer with
a NIC) that connects to the network. See also transfer rate.