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Driver: Software that interfaces a computer
with a specific hardware device.
DSSS (Direct Sequence Spread Spectrum):
Method of spreading a wireless signal into wide
frequency bandwidth.
DTE (Data Terminal Equipment): Device
that con10BaseT or 100BaseTx: 802.3 based
Ethernet network that uses UTP (Unshielded
twisted pair) cable and a star topology. 10 is 10
Mbps and 100 is 100 Mbps.
802.1x: The standard for wireless LAN authenti-
cation used between an AP and a client. 802.1x
with EAP will initiate key handling.
Ad-Hoc Network: The wireless network based
on a peer-to-peer communications session.
Also referred to as AdHoc.
Bandwidth: The transmission capacity of a
computer or a communication channel, stated in
Megabits per second (Mbps).
BSS (Basic Service Set): An 802.11 network-
ing framework that includes an Access Point.
Bus Mastering: A system in which the speci-
fied Input/Output device (e.g. NIC Card) can
perform tasks without the intervention of the
CPU.
Client: A PC or workstation on a network.
Cross-Over Wiring: A UTP cable that has its
transmit and receive pair crossed to allow com-
munications between two devices.
DCE (Data Communications Equipment):
Hardware used for communication with a Data
Terminal Equipment (DTE) device.
Default Gateway: The IP Address of either the
nearest router or server for the LAN.
Default Parameter: Parameter set by the
manufacturer.
Destination Address: The address portion of
a packet that identifies the intended recipient
station.
DHCP (Dynamic Host Configuration Pro-
tocol): Based on BOOTP, it uses a pool of IP
addresses, which it assigns to each device con-
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Glossary
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