by man im assuming you mean a node/client. Lan is intranet wan is internet. on the lan the node has a ip that it talks to other nodes with, on wan your computer's ip talks to your modem which talks to the internet with the modems IP.
Hope that helped.
Its LAN
LAN, WAN, MAN, And Local Area Connections.
WAN. LAN is a short range connection, WAN is wide range.
Lan man wan
LAN,WAN,MAN,PAN
It depends on the media, topology of the networks. You could go from 10 Mbps on a LAN to 50 or more Gbps on a WAN depending on the technology.
absolutely wan. lan is used for a office or a building complex
An LAN card is a must if you wish to connect to a LAN but it is not required for WAN
LAN users get access to internet or can communicate with others LAN connected to WAN.
WAN requires the same technology as LAN.
Extranet is wan
WAN