Networks!

Networks!

1. Advantages!

   • You can share passwords and logins!
   • You can share files!
   • You can share resources!
   • You have access to the internet!
   • You can print easily!

2. Disadvantages!

   • Networks are expensive to set up!
   • There is a increased risk of viruses!
     • If one computer gets a virus, it can spread throughout the network
   • It's difficult to manage
     • Expertise is needed to set up and maintain a network

3. Different types of networks!

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

4. Types of Topology!

   • Bus Topology
     • consists of one cable - all devices are connected ti it
     • Cheap to install
     • Lots of collisions
   • Star Topology
     • all computers connected to a central switch
     • Expensive
   • Ring Topology
     • Cheap
     • No collisions
     • Difficult to add new devices
   • Fast

5. IP Address

   • Computers on a network need an address to identify them.
     • So, it is assigned an IP Address!
   • Each IP Address has to be unique
   • Internet Protocol Address