Networks

Networks

1. Topology

   • Bus
     • Disadvantages
       • Advantages
         • Cheap to install
       • High chance of catastrophic failure
   • Star
     • Advantages
       • Fast
     • Disadvantages
       • Expensive
   • Ring
     • Advantages
       • Cheap to install
     • Disadvantages
       • Difficult to add new computers
   • Mesh
     • A network where each node is directly connected to all other nodes

2. LAN

   • Local Area Network
     • Contained in a single geographical network

3. WAN

   • Wide Area Network
     • Expands a large geographical network

4. A collection of collected computers

   • Advantages
     • They can share files
   • Disadvantages
     • Increase risk of viruses spreading

5. IP Adress

   • A unique value assigned to every computer to identify it

6. Routing

   • Determine which route through the mesh will have the lowest cost

7. Packets

   • All data on the internet is split up into small chunks