Networks

Networks

1. disadvantages

   • they are excpensive
   • High chance of catastrophic failure (if any cable breaks or any computer goes down, the entire network fails

2. Advantages

   • Cheap to install (only one wire needed)
   • High chance of catastrophic failure Difficult to expand
   • Low chance of catastrophic failure (a broken cable only takes out one computer, the rest of the network is fine)
   • Easy to add new computers

3. Types of networks

   • LAN
     • WAN
       • A network that spans a large area
     • Local Area Network A network contained in a single geographical location

4. Network Topologies

   • Bus
     • High chance of catastrophic failure (a break in the central cable takes out the entire network)
     • The network consists of a single cable that runs through the network
   • Ring
     • Cheap to install
     • High chance of catastrophic failure
   • Star
     • All computers are connected to a central switch.
     • The switch directs the traffic to the appropriate computer

5. ip addresses

   • A house address (such as 15 High Street, Townsville) is an example of an address – each address is unique and used to identify that house
   • An address is a unique identifier given to something
   • A house address (such as 15 High Street, Townsville) is an example of an address – each address is unique and used to identify that house

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