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Information that is stored on the hard drive of your computer that holds your preferences
to the site that gave your computer the cookie
D
Data
Information that has been translated into binary so that it can be processed or moved to
another device
Data-Link layer
The second layer of the OSI model. Controls the movement of data on the physical link
of a network
dBd
Decibels related to dipole antenna
dBi
Decibels relative to isotropic radiator
dBm
Decibels relative to one milliwatt
Decrypt
To unscramble an encrypted message back into plain text
Default
A predetermined value or setting that is used by a program when no user input has been
entered for this value or setting
DHCP
Dynamic Host Configuration Protocol: Used to automatically assign IP addresses from a
predefined pool of addresses to computers or devices that request them
Digital certificate:
An electronic method of providing credentials to a server in order to have access to it or a
network
Direct Sequence Spread Spectrum
DSSS: Modulation technique used by 802.11b wireless devices
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