networks

networks

1. TYPES OF NETWORK

   • LAN
     • LOCAL AREA NETWORK
     • SINGLE GEOGRAPHICAL AREA
   • WAN
     • WIDE AREA NETWORK
     • large geographical area

2. advantages

   • can share files
     • such as printings and internet connection
   • share resources
     • can access the same files on every computer
   • share logins
     • such as usernames and logins on every computer

3. network topology

   • star
     • advantages
       • low chance of collision
       • low failure
     • disadvantages
       • expensive
         • depends on switch
   • ring
     • advantages
       • cheap
       • no collision
     • disadvantages
       • difficult to expand
   • bus
     • advantages
       • cheap
         • easy to install
     • disadvantages
       • slow network
       • catastrophic failure