• Local Area Network
A LAN, local area network, is a group of computers and other devices that share a wireless link to a server. A local area network is usually in a distinct location like an office where all the devices are close, hence the name local. It is used to share resources like a printer and can be used with a small group of people or a much larger one. Interconnection devices such as switches and routers are all used to connect the network to the internet. Wi-Fi or Ethernet can be used to connect the network to the internet. A local area network must relate to standards and protocols. It does this as it is connected to the internet through the Wi-Fi.
• Wide Area Network
A wide area network is distributed places unlike a local area network which is local. A WAN interconnects different local area networks. A wide area network could be in companies and organisations for example, it could have connections to a company’s headquarters or branch facilities. Routers are used to connect a LAN to a WAN. They are functioned to allow users to share access to applications and other services. There are various different protocols within a wide area network such as broadband access and point-to-point protocol. WAN’s are mostly managed by a private organisation so that no other companies can get on their network however, there is open wide area networks too. The main example would be the internet.
• WAN technologies
There are various different technologies within a WAN.