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AARP. Used to map the MAC addresses of Apple computers to their AppleTalk network
addresses, so that conversions can be made in both directions.
Application layer
7th Layer of the OSI model. Provides services to applications to ensure that they can
communicate properly with other applications on a network.
ASCII
American Standard Code for Information Interchange. This system of characters is most
commonly used for text files
Attenuation
The loss in strength of digital and analog signals. The loss is greater when the signal is being
transmitted over long distances.
Authentication
To provide credentials, like a Password, in order to verify that the person or device is really who
they are claiming to be
Automatic Private IP Addressing
APIPA. An IP address that that a Windows computer will assign itself when it is configured to
obtain an IP address automatically but no DHCP server is available on the network
B
Backward Compatible
The ability for new devices to communicate and interact with older legacy devices to guarantee
interoperability
Bandwidth
The maximum amount of bytes or bits per second that can be transmitted to and from a network
device
Basic Input/Output System
BIOS. A program that the processor of a computer uses to startup the system once it is turned
on
Baud
Data transmission speed
Beacon
A data frame by which one of the stations in a Wi-Fi network periodically broadcasts network
control data to other wireless stations.
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