NETWORKS

NETWORKS

1. DISADVANTAGES

   • Expensive to set it sll up
   • increased risk of viruses
   • More room for error

2. ADVANTAGES

   • Consistant user experiences
   • all can get the same set up
   • Share resources with any computer like files.

3. TYPES OF NETWORK

   • LAN
     • Local Area Network
   • WAN
     • Wide Area Network

4. TYPES OF TOPOLOGY

   • Star
     • disadvantages
       • depends on one switch
       • expensive to set up
     • advantages
       • no collisions (fast)
       • low chance of failure
   • Bus
     • advantages
       • cheap to install
     • disadvantages
       • lots of collision
       • catastrophic failure
       • slows down as more computers are added
   • Ring
     • disadvantages
       • high chance of catastrophic failure
       • difficult to expand
     • advantages
       • no collisions fast (fast)
       • cheap to install

5. IP ADDRESS

   • An IP address is a unique value assigned to every computer on a network, used to indentify it

6. INTERNET

   • PACKETS
     • All data on the internet is split into differnet chunks this is called packets
   • MESH TOPOLOGY
     • A MESH TOPOLOGY IS A arrangement OF COMPUTERS CONNECTED TO ONE AND ANOTHER BY NODES IN AN AD-HOC MANNER
   • ROUTES
     • routing happens before transmitting you need to decide which route is faster and has a lower cost.