Chapter 5 - Glossary
NIC (Network Interface Card)
A network adapter inserted into a computer so that the computer can be connected
to a network. It is responsible for converting data from stored in the computer to the
form transmitted or received.
A basic message unit for communication across a network. A packet usually
includes routing information, data, and sometimes error detection information.
The Wireless Settings utility uses an algorithm to generate four WEP keys
based on the typed combination.
PPP (Point-to-Point Protocol)
PPP is a protocol for communication between computers using a serial interface,
typically a personal computer connected by phone line to a server.
PPPoE (Point-to-Point Protocol over Ethernet)
Point-to-Point Protocol is a method of secure data transmission. PPP using
Ethernet to connect to an ISP.
Allows you to set the preamble mode for a network to Long, Short, or Auto. The
default preamble mode is Long.
Radio Frequency (RF) Terms: GHz, MHz, Hz
The international unit for measuring frequency is Hertz (Hz), equivalent to the
older unit of cycles per second. One megahertz (MHz) is one million Hertz. One
gigahertz (GHz) is one billion Hertz. The standard US electrical power frequency is
60 Hz, the AM broadcast radio frequency band is 0.55-1.6 MHz, the FM broadcast
radio frequency band is 88-108 MHz, and wireless 802.11 LANs operate at 2.4
SSID (Service Set Identifier)
SSID is a group name shared by every member of a wireless network. Only client
PCs with the same SSID are allowed to establish a connection. Enabling the
Response to Broadcast SSID requests option allows the device to broadcast
its SSID in a wireless network. This allows other wireless devices to scan and
establish communication with the device. Unchecking this option hides the SSID to
prevent other wireless devices from recognizing and connecting to the device.
Any device containing IEEE 802.11 wireless medium access conformity.
ASUS WLAN Adapter
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