Networks

Networks

1. Advantages

   • Access’s for files from every computer
   • Log in on any computer using the same username and password
   • Being able to print, access wi-fi, etc on any computer

2. Disadvantages

   • Networks are expensive to set up
   • Devices are at risk of getting viruses
   • Expertise is required to maintain/set up a network

3. Types of Networks

   • LAN - Local Area Network, network in a single area
   • WAN - Wide Area Network, Often consists of LANs put together, spans a large area

4. Bus Topology

   • Cheap
   • |High chance of collision + catastrophic failure
   • Slow

5. Ring Topology

   • Cheap to install
   • No collisions
   • Difficult to expand

6. Star Topology

   • Low chance of failure
   • No collisions (fast)
   • Expensive

7. IP Addresses

   • Internet Protocol Address
   • Each IP Address must be a unique value
   • Messages that are sent over a network have an IP Address attatched to them from both senders
   • They give additional security
   • The IP Address is a 32-bit binary value