Networks

Networks

1. Advantages

   • share files
   • share resources
   • share logins

2. Disadavantages

   • cost
   • increased risk
   • difficulty

3. Types of network

   • LAN-local area network
   • WAN-wide area network

4. Topology

   • Bus topology
     • cheap to install
       • lots of collisions
       • high chance of catastrophic failure
   • Ring topology
     • cheap to install
     • no collisions
     • high chance of failure
     • difficult to expand
   • star topology
     • low chance of failure
     • no collisions
     • expensive
       • depends on switch

5. IP Addresses

   • There are 4.2 billion possible unique addresses on the internet and that is less than the devices on the internet
   • The is a IP address for every network and the network manages the address. There are external IP addresses for every computer
   • An IP address is an unique value assigned to every computer on a network, used to identify it