3.1.1 Identify different types of networks


Topology is physical layout of a network.



                Star network                             Ring network                           Bus network




Types of Network

  • LAN-local area network in which the nodes are close together(school,office)
  • WAN-world area network in which the nodes are spread out over larger geographic area.
  • GAN- global area network where the nodes are spread out more globally (internet)
  • PAN-personal area network which consists of computers,mobile...(Computer-printer relationships)
  • P2P-peer-to-peer network in which computer can act as a server for the other(Skype,Mail...)
  • WLAN-wireless local area network it is the same as LAN,but wireless(Wi-Fi)
  • SAN-storage are network which provide dedicated access to storage.
  • VLAN-virtual local area network is a logical concept not physical.
  • VPN-virtual personal network is creates an encrypted connection over a less secure network,
  • Internet-is a network of networks(www,mail,skype,viber)
  • Extranet-an intranet that can be partially accessed by authorized outside users
  • Intranet-a local or restricted communications network, especially a private network created using World Wide Web software.