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DNS (Domain Name System): System used
to map readable machine names into IP
addresses
Driver: Software that interfaces a computer
with a specic 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 (Unshield-
ed twisted pair) cable and a star topology.
10 is 10 Mbps and 100 is 100 Mbps.
Dynamic IP Address: An IP address that is
automatically assigned to a client station
in a TCP/IP network, typically by a DHCP
server.
ESS (Extended Service Set): A set of two or
more BSSs that form a single sub-network.
ESS-ID is user identication used in the
ESS LAN conguration.
Ethernet: The most widely used architecture
for Local Area Networks (LANs). It is
a shared-media network architecture.
The IEEE 802.3 standard details its
functionality.
Ethernet cable: A wire similar to telephone
cable that carries signals between Ethernet
devices.
File and Print Sharing: A Microsoft applica-
tion that allows computers on a network to
share les and printers.
Firmware: Programming inserted into
programmable read-only memory, thus
becoming a permanent part of a computing
device.
Frame: A xed block of data, transmitted as
a single entity. Also referred to as packet.
Full-Duplex: To transmit on the same
channel in both directions simultaneously.
Gbps (Giga Bits per second): One billion
bits per second.
Glossary