Network

Network

1. Disadvantages

   • Expensive
     • Extra hardware and wiring needed.
       • Increased risk
         • Problems such as viruses can affect every computer on the network
       • Difficulty
         • Expertise is needed to set up and maintain a network

2. Network Topology

   • Advantages
     • Cheap to install.
   • Disadvantages
     • High chance of catastrophic failure
     • Lots of collisions
       • Slows down as more computers are needed
   • Bus
     • Ring
       • Star

3. IP Addresses

   • Unique addresses are assighned to buisnesses and houses
   • An IP Address is a unique value assighned to every compute on a network,used to identify it.

4. The Internet

   • It is a giant mesh of networks
     • There are multiple different routes between any two nodes
       • It is impossible to break the internet ,since another route can always be found
         • Data is split into chunks called packets