Networking

Networking

1. Different types of topologys

   • Star network
     • They are all connected on one cable directly to one server
       • Advantage: if one computer stops working. the rest will still work
       • Disadvantage: if the central device stops working then they all stop working
   • Bus network
     • All of the devices are connected by one cable
       • Disadvantage:
   • Ring network
     • All of the devices are connected in a circle
       • Advantage: it can transfer data quickly
       • Disadvantage: if on device fails, all of the devices fail

2. Wide area network (WAN)

3. Wireless local area network (WLAN)

4. Intranet

5. Extranet

6. Network Policies

   • Archiving
     • This is where you store old but needed data way from the main server to somewhere else. This saves space on your network.
   • Back Up
     • This is where you make a copy of all your data and store it in a remote location.
   • Acceptable Use Policy
     • A set of rules what is expected of people using the network.
   • Disaster Recovery
     • A set of strategies in case of disaster (power cuts, natural disasters or hacking) to make sure that you do not lose your work. E.g. loading up your work in a remote location.
   • Failover
     • Automatic switching to a backup computer system in the event of a system failure. E.g. a car battery.