Users Guide

Glossary 179
Kerberos
A network authentication protocol. It is designed to provide strong authentication
for client/server applications by using secret-key cryptography.
key combination
A command requiring you to press multiple keys at the same time. For example,
you can reboot your system by pressing the <Ctrl><Alt><Del> key
combination.
kHz
Abbreviation for kilohertz, 1000 hertz.
LAN
Acronym for local area network. A LAN system is usually confined to the same
building or a few nearby buildings, with all equipment linked by wiring dedicated
specifically to the LAN.
LCC
Abbreviation for leaded or leadless chip carrier.
LDAP
Acronym for lightweight directory access protocol. A networking protocol for
querying and modifying directory services running over TCP/IP.
LIF
Acronym for low insertion force. Some systems use LIF sockets and connectors
to allow devices, such as the microprocessor chip, to be installed or removed with
minimal stress to the device.
LED
Abbreviation for light-emitting diode. An electronic device that lights up when a
current is passed through it.
local bus
On a system with local-bus expansion capability, certain peripheral devices (such
as the video adapter circuitry) can be designed to run much faster than they would
with a traditional expansion bus. Some local-bus designs allow peripherals to run
at the same speed and with the same width data path as the system's microprocessor.
LOM
Acronym for LAN on Motherboard
book.book Page 179 Monday, July 7, 2008 2:59 PM