networks

networks

1. IPadress

   • is a unique set of numbers asigned to every devise to identify it
     • there are over 4,000,000,000
     • this is a problem however Because there are over 4,000,000,000 devies, alot more
       • so we use external IP adress' with gives us alot more

2. types of networks

   • wan
     • Wide Area Network
       • it covers a huge geographical area
   • lan
     • Local Area Network
       • all in a single geographical area

3. TOPOLOGYS

   • bus
     • a long line of wire with devices branching off it
   • star
   • ring
     • low chance of colition high chance of catastrophic failier

4. devices conected to the interne