Unit 7 P1

Local Area Network:
A local area network is a computer network that interconnects computers within a limited area. These can include a residence, school, laboratory or office building. A local area network is contrasted in principle to a wide area network, covering a large distance. Many local area networks are based partly on wireless technologies. Smartphones, tablets and laptops typically have wireless networking support built-in. In a wireless local area network, users may move unrestricted in the coverage area. Wireless networks have become popular in residences and small businesses, because of their ease of installation. Guests are often offered Internet access via a hotspot service.
Wide Area Network:
A wide area network is a group of computers connected by a network over a geographical area. A wide area network is connected through the internet. The wide area network is different from a metropolitan area network because of the distance between the networks. A wide area network can be one network on the other side of the country. The Internet can be considered as a wide area network.
Personal Area Network:
A personal area is a computer network used for data transmission amongst devices such as computers, phones and tablets. Personal area networks can be used for communication amongst the personal devices or for connecting to a higher level network and the Internet where one device takes up the role as internet router.
Bus - Bus topologies are used in local area networks. Each node is connected to a single cable, by the help of interface connectors. This central cable is the backbone of the network and is known as the bus. A signal from the source travels in both directions to all machines connected on the bus cable until it finds the recipient. If the machine address does not match the intended address for the data, the machine ignores the data. But, if the data matches the machine address, the data is accepted. Because the bus topology...