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Glossary
firewall
A firewall is software or a security device that helps prevent
unauthorized users from accessing your LAN or WLAN from
outside your network (over the Internet). 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
LAN
Stands for Local Area Network. LANs are
wired
networks.
LED
Stands for Light-Emitting Diode. LEDs are usually used as status
indicators on electronic devices.
MAC address
A Media Access Control (MAC) address uniquely identifies each
network device on your network (for instance, your Wireless USB
adapter or Wireless Access Point). A MAC address is built into
each device, so you can’t alter MAC addresses. Normally, a
network device is labelled with its assigned 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 Access Point or a
computer with a NIC) that connects to the network. See also
.
network protocols
Network protocols are rules that determine how devices on a
network communicate with each other.
