They're usually connected by exclusive hi-speed phone lines. The phone lines do not connect to any phone network - just to each of the other computers. This makes the WAN a secure network for transferring data between sites.
LAN ( Local Area Network )
Its LAN
Two or more computers connected together create a computer network. Computers within a network can interchange data.
@ computers to computer connected together via a crossover cable. No hub, switch, domain or central server.
Local area networks allow computers to be connected together to share services, peripherals and to allow control of groups of machines.
They are usually connected to both.
Network topology is the manner in which the physical components of a LAN are connected together. Network topology can be either physical or logical.
Local Area Network (LAN) allows two or more computers to access the internet through a single router and, by creating a shared folder/directory, to share data between any computer connected to the LAN.
A Local Area Network (LAN), although this is now taken to mean a network of computers including file servers and printers. A Peer-to-Peer network involves as a minimum just two computers conected together.
Switch
LAN or a Local Area Network.
That is called a Local Area Network (or LAN for short)