Also know about LAN Surveyor... IT automatically discovers your network and produces comprehensive, easy-to-view network maps that that integrate OSI Layer 2 and Layer 3 topology data.
A LAN is a Local Area Network...First you have a computer which links to a network which links to an Internet Service Provider(ISP) like DSL or Cable or something
A LAN doesn't have to be...
A Local Area Network is a small network which is usually contained within one building or campus. It is usually a private network, unlike the public internet. An Administrator in charge controlls...