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Half-duplex: To transmit on the same
channel in both directions, one direction at
a time.
Hub: A device which allows connection
of computers and other devices to form a
LAN.
IEEE (Institute of Electrical and Electronics
Engineers): The professional organization
which promotes development of electronics
technology.
IP (Internet Protocol) Address: A unique
32-binary-digit number that identies each
sender or receiver of information sent in
packets.
Infrastructure: A wireless network or
other small network in which the wireless
network devices are made a part of the
network through the Access Point.
ISP (Internet Service Provider): A company
that provides access to the Internet and
other related services.
IV (Initialization Vector): The header section
of a message packet.
LAN (Local Area Network): A group of com-
puters and peripheral devices connected to
share resources.
LED (Light Emitting Diode): The lights on a
hardware device representing the activity
through the ports.
MAC (Medium Access Control) Address: A
unique number that distinguishes network
cards.
Mbps (Mega Bits Per Second): A
measurement of millions of bits per
second.
MDI/X (Media Dependent Interface/Cross-
over): Port on a network hub or switch
that crosses the incoming transmit lines
with the outgoing receive lines.
MHz (MegaHertz): One million cycles per
second.
Glossary