Networks

Networks

1. WAN

   • A wide area network

2. LAN

   • A local area network

3. Disadvantages

   • More room for error
   • Expensive
   • Malware
   • Difficult

4. Advantages

   • You can print, use the internet and email people
     • Shared logins

5. Network Topologies

   • Star
     • Advantages
       • Fast (no collisions)
       • Easy to add new computers
       • Low chance of Catastrophic failure
     • Disadvantages
       • Expensive
       • Failure of the switch will take down the whole network
   • Bus
     • Disadvantages
       • High chance of catastrophic failure
       • High chance of collisions
     • Advantages
       • Cheap to install
   • Ring
     • Disadvantages
       • Difficult to add new computers
       • High chance of catastrophic failure
     • Advantages
       • Cheap to install
       • No collisions
   • Mesh
     • There are multiple different routes between nodes
     • Files are split into small pieces called packets
       • These are numbered and then reassembled at the destination

6. IP addresses

   • Internet Protocol Address
   • Unique addresses are assigned to businesses and houses
   • A unique identifier

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