networks

networks

1. advantages

   • easy to transfer files
   • debit and credit card usage
   • saved logins

2. disadvantages

   • expensive
   • higher risk if failure occurs
   • difficult to connect a network

3. Topologies

   • Bus
     • all connected via one cable cheap but also not very quick
   • ring
     • connected by one cable, cheap, multiple commuters can use
   • star
     • individual cables, quick, hub is the only thing that can cause bad failure

4. IP address

   • individual number for each device
   • 1 bit
   • households have indidual ip addresses that go into the main one
   • 0.0.0.0 to 255. 255. 255. 255
   • Unique address

5. Improvements to IP Addresses

   • Ipv4 is used currently but will eventually be full
   • IpV6 will have over 100 quintillion space but the internet would practically have to be remade
   • Any improvements would be very expensive