L's Flashcards
LAN
(Local Area Network)
A network in which all the nodes or hosts participating in the network are directly connected with cables or short-range wireless media.
LC
(Lucent Connector)
Small Form Factor version of the SC push-pull fiber optic connector; available in simplex and duplex versions.
LCD panel
(Liquid Crystal Display panel)
A display technology where the image is made up of liquid crystal cells controlled using electrical charges. LCD panels are used on laptops and have replaced CRT monitors as the main type of computer display screen.
LDAP
(Lightweight Directory Access Protocol)
Standard for accessing and updating information in an X.500-style network resource directory. LDAP uses port 389.Unless secure communications are used, LDAP is vulnerable to packet sniffing and Man-in-the-Middle attacks. It is also usually necessary to configure user permissions on the directory. LDAP version 3 supports simple authentication or Simple Authentication and Security Layer, which integrates it with Kerberos or TLS.
LED
(Light Emitting Diode)
Small, low-power lamps used both as diagnostic indicators, LCD backlights, and (as Organic LEDs) in high-quality flat panels.
LED printer
(light emitting diode printer)
A type of printer that uses LEDs to print.
LGA
(Land Grid Array)
A CPU form factor used by Intel where the pins that connect the CPU and socket are located on the socket.
LoS
(Line of Sight)
A wireless connection method using ground-based microwave antennas aligned with one another.
LTE
(Long Term Evolution)
A packet data communications specification providing an upgrade path for both GSM andCDMA2000 cellular networks. LTE Advanced is designed to provide 4Gstandard network access.
LTE-A
(LTE Advanced)
LTE Advanced is designed to provide 4G standard network access
