In networking, what is the primary difference between a LAN and a WAN?
A) A LAN (Local Area Network) connects devices within a small geographical area, while a WAN (Wide Area Network) connects devices across large geographical distances
B) A LAN connects devices across large geographical distances, while a WAN connects devices within a small geographical area
C) A LAN is used for wireless communication, while a WAN is used for wired communication
D) A LAN is a type of server, while a WAN is a type of client