Network Topologies

Network Topologies

1. LAN And WAN

   • A local area network covers one geographical location.
   • A wide area network covers multiple geographical location.

2. Local Area Network Hardware

   • A network interface controller provides a method of connecting to a network,
   • Transmission media carries data signals from one computer to another,
   • A hub is a small device that allows wired device.
   • A swich records which computers are connected to which ports.
   • A WAP uses a radio transceiver to allow wireless connections to a network,
   • A routers send data signals across the internet.

3. Internet

   • Hosting is the storing of files and data on a web server, The web server is referred to as a host.
   • A DNS consists of 4 set of 3 digits
   • Cloud is a generic term for remotley accessed storage.
   • Virtual network is a network that can be securely connect geographically unrelated computers via the network

4. Factors:

   • Bandwith is a measure of the amout of data that the medium can transfer over a period of time.
   • Latency is a measure of how long it takes to travel from one device to another,
   • Transmission errors is when signals collide