why the lan high speed than wan
WAN usually costs more. Especially, there are recurring monthly costs, since you rent the services of an ISP. Note, however, that a LAN and a WAN serve different purposes; you can't simply replace a WAN with a LAN.
WAN. LAN is a short range connection, WAN is wide range.
absolutely wan. lan is used for a office or a building complex
LAN: Limited geographical area usually within the same building. WAN: Larger global Network with no physical boundaries.
LAN users get access to internet or can communicate with others LAN connected to WAN.
An LAN card is a must if you wish to connect to a LAN but it is not required for WAN
WAN requires the same technology as LAN.
freedom
Extranet is wan
WAN
WAN communication speed, reliability, and connectivity are more challenging to manage than those of a LAN