Coursework

1.4 Wired and wireless networks

• types of networks:
  • LAN (Local Area Network)
  • WAN (Wide Area Network)
• factors that affect the performance of networks
• the different roles of computers in a client-server and a peer-to-peer network
• the hardware needed to connect stand-alone computers into a Local Area Network:
  • wireless access points
  • routers/switches
  • NIC (Network Interface Controller/Card)
  • transmission media
• the internet as a worldwide collection of computer networks:
  • DNS (Domain Name Server)
  • hosting
  • the cloud
• the concept of virtual networks