Security. WANs connect buildings together, LANs are inside of buildings.They are similar but not the same. If you don't have more than one location, you don't need a WAN.
Big question. Let's see if I can kick this off by listing some...
Point to Point Links
Switched Links
Circuit Switching
Packet Switching
Virtual Circuits
WAN Dialup
WiFi HP
Advantages Of WAN Covers a large geographical area so long distance businesses can connect on the one network Shares software and resources with connecting workstations Messages can be sent very...
well an advantage is that occupants in two buildings can share a wireless connection to a network such as a large corporate network that demands connectivity. but a disadvantage is that signal is...