Networks

Networks

1. Disadvantages

   • Cost
   • risk
     • virus
     • easy to hack
     • broken cabel

2. Advantages

   • Share files
   • Share resources
   • Share logins

3. Types of network

   • WAN
     • Wide area network
   • LAN
     • Local area network

4. Topologies

   • star
     • expensive
     • no collision
     • fast
   • Bus
     • cheap
     • collision
     • slow
     • big chance of failure
   • Ring
     • Cheap
     • slow
     • big chance of fail

5. IP adress

   • largest 255,255,255,255
   • unique IP address for houses and bussines
   • total of 4,228,250,625 IP adresses
   • smallest IP adress 0,0,0,0

6. The internet