Networks

Networks

1. Advantages

   • The same files on all computers
   • Sharing res like a printer
   • Share log ins

2. Disadvantages

   • The network cost is very high to replace
   • Increased risk of virisis
   • If one thing has gone wrong on one computer it can effect many

3. types of network

   • LAN
     • Local Area Network
       • for one organisation
   • WAN
     • Wide Area Network
       • for many organisations

4. Typology

   • star topology
     • advantages
       • low chance of failure
         • no collisons
     • dissadvanteges
       • exspirience
         • depens on swich
   • ring topology
     • bus typology
       • disadvantages
         • high chance of failiure
           • lots of collisins
             • slow down as more computers are added
       • advantages
         • cheap to get
     • advantages
       • cheap to install
         • no collisins
     • disadvantaged
       • high chance of failure
         • difficult to expand
   • bus typology

5. IP adresses

   • just over 4.2 Billion IP addresses all unique
   • IP addresses lets other computers know what computer to send messeges to
   • IP adresses are very important to all computers it enables a lot of things to do