tapologies

tapologies

1. bus

   • all devices are connected in a line
   • disadvantages
     • fails easily
   • advantages
     • cheap to install

2. networks

   • types of networks
     • lan local area network
     • wi-fi
     • wan wide are network
   • disadvantages
     • expensive ££££
       • takes longer to load
   • advantages
     • share loggins
       • easier to share files/recorces
     • access your account on any computor connected to the network

3. star

   • devises are connected in multiple different wires connecting to the hub/switch
     • disadvantages
       • expensive
       • the whole system fails if the hub fails
   • advantages
     • low chance of failiure

4. ring

   • all signals go one way
     • disadvantages
       • difficult to expand
       • high chance of failiure
   • advantages
     • cheap
     • no collisions

5. ip adress

   • an ip address is a unique value assigned to every computer on a networkused to identify it.
   • what is it for
     • it is so that messages can be sent to the correct device
   • what does one look like
     • an example is 86.188.242.210 which is the catmose Ip address
   • there are 4,294,967,296 possible ip addresses

6. mesh

   • a cost is assigned to each connection
   • Route finding allgerithims are used to find the lowest cost route between two nodes because of this the internet cant break because there will always be a route to a the node.
   • the files sent are made into small packets and reassembled at the end
     • the size of the file before being split is between 40 and 60GB
   • internet