Networks

Networks

1. LAN

   • A local area network is a network designed for one area.

2. A wide area network is a network that can be reached everywhere.

   • WAN

3. Advantages

   • Saves money.
     • Easily be shared.
       • Security is good.

4. Disadvantages

   • Managing a large network is difficult.
     • Expensive
       • If servers breaks down files are inaccessible.
         • Viruses can spread.

5. Bus Network:

   • Servers are connected to one cable.
     • Advantages:
       • Easy to install and also cheap to install.
         • Disadvantages:
           • Performance is slower if cable breaks.

6. Ring Network:

   • Each device is connected to two other networks.
     • Advantages:
       • Transfer data quickly.
         • Disadvantages:
           • If any cable fails then the entire network will fail.

7. Star Network:

   • Each device has its own switch or hub.
     • Advantages:
       • Very reliable, No data collisions.
         • Disadvantages:
           • Expensive to install