Network Services

Network Services

1. Internet

   • WAN made up smaller networks

2. Extranet

   • external network
   • Viewed many different people

3. Intranet

   • Internal network
   • Private 1 organisation

4. Routers

   • Different networks communicate

5. Switches

   • Connect different computers together

6. Gateways

   • 2 different networks speak
   • Translate data

7. Bridges

   • 2 LANs together

8. Packet switching

   • speed up networks
   • sending packets of data

9. Advantages

   • data shared
   • computers share hardware
   • update software

10. Disadvantages

    • Viruses
    • 1 place all computers not work if network problems
    • Regular maintenance