Wired and wireless networks

Wired and wireless networks

1. computer network - a telecommunication allowing computers to exchange data via a data link.

2. Ethernet cables - network cable used to connect devices together.

   • Category5 and category6

3. WIDE AREA NETWORK

   • Expensive
   • Used in large companies and education institutes
   • slow ( up to 150 megabits per second)
   • Covers a large geographical area
   • Might not own the WAN you use

4. LOCAL AREA NETWORK

   • Cheap
   • used in schools
   • LANs are usually owned by the user.
   • It covers a small geographical area.
   • Fast ( 100-1000 ) megabits per second

5. Bottleneck - a wiring cabinet connected by one cable ( it causes traffic.)

   • Can be fixed by using fibre optic

6. Bandwidth - Amount of data you can send through a cable

7. NIC - allows a computer to connect to a wired network.

8. Router - manages traffic coming through in the form of packets.