LAN- local area network, which connects computers and devices in a limited geographic area, such as home, school, office building.
WLAN- wireless local area network, has no physical wires, computers and devices that access wireless LAN must have built in wireless capacity or appropriate wireless network such as USB adapter and others.
MAN- metropolitan area network, high speed network that connects local area networks in a metropolitan area, city or town, handles bulk of communications activity across that region.has more than one LAN but covers a smaller geographic area than WAN.
WAN- wide area network, covers large geographical area using variety of wired and wireless transmission media.
PAN- personal area network, network that connects computers and devices in an individuals work space using wired or wireless technology. smartphones, digital cameras, printers and more. connects through a router using network cables or directly using special USB cables. can use Bluetooth or WiFi.
-Dedicated line is a type of always on physical connection that is established between two communication devices. analog or digital. Digital dedicated lines include cable television lines, DSL, ISDN, FTTP, T-carrier lines and ATM.
-Cable- television network provides high speed internet connections. enters building through single line usually a coaxial cable. connects to modem attaches to computer via ethernet cable.
-DSL- digital subscriber line, transmits on existing standard copper phone wiring.
-ISDN- Intergrated services digital network, set of standards for digital transmission of data over standard copper phone lines.
-FTTP- fiber to the premises, uses fiber optic cable to provide extremely high speed internet access to a users physical permanent location.
-T-carrier- uses several phone lines that carry multiple signals over a single communication line.
-ATM- asynchronous transfer mode, service that carries voice, data, video and media at very high speeds.