Networks

Networks

1. Wireless Networks

   • Benefits: popular choice, cost saving
     • Risks: bandwidth is lower, easily be obscured, security is more of a problem, more susceptible to hacking, transfer or share files speeds tend to be slower.

2. Wired networks

3. Advantages of networking: user can share files, communicate with other people, can share peripherals in different rooms, user can access file from any computer.

4. LAN - local area network small geographical area eg: school network

   • WAN - wide area network large geographical area eg: internet
     • PAN - personal area network eg: phone, Bluetooth

5. Disadvantages of networking: increase security risk to data, computer will run slowly.

6. Fibre optic cable

   • Cons: expensive
   • Pros: uses light to send data, normally used to connect long distance, very high bandwidth

7. Twisted pair (UTP) copper cable - normally used to connect desktop computers to a switch

   • Pros: cheap and flexible
   • Cons: widely used in LANs,