When I am reading some networking books, they often define a LAN as a set of connected computers across a building, campus floor, home, etc. However, I think this is pretty vague. What exactly defines a LAN? i.e. when looking at a network topology, how can you identify a LAN?
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closed as off topic by Shane Madden, Ward, RobM, Chopper3, Scott Pack Jan 9 '12 at 13:45
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I found this nice definition on Wikipedia:
So, the three points that you can count on to decide whether this is a LAN or not use:
There is no precise definition, nor would it be useful.
In some situations, it might make sense to speak of a LAN as one broadcast domain; in another situation it might mean every node in a building; in yet another, two buildings connected with fiber.
The wikipedia quote posted earlier will have to do.