Netwoks

Netwoks

1. LAN

   • Local area network
     • Confined to one location/organisation
     • Only accessible to the computers on the lan

2. Advantages

   • communication
   • Secure

3. Disadvantages

   • Expensive
   • Room for error

4. WAN

   • Wide area network
     • Spans a wide area
     • The internet

5. Topologies

   • Bus
     • Transmitters at the ends
     • Reads everything
       • Not secure
       • Data travels in both directions
     • Computers all connected to one line
       • Cheap
   • Ring
   • Star
   • Mesh