network - things to revise

network - things to revise

1. what a network is and the good points

   • A net work is a group of interconnecting systems
   • The good points of a network are: resource sharing, cost-efficient, saves money

2. WAN/LAN

3. What is bandwidth and what is it measured in

4. how bandwidth is effected (speed, type of media and number of users)

5. Client server VS peer to peer

6. Router WINC Modems Servers Switches

7. DNS

8. IP

9. Fibre optic and other cables

   • Fiber optic cables are thin glass cables that work by bouncing light repeatedly off the walls while the cladding Keeps the light inside

10. Cloud computing

11. Virtual networks and VPN

    • Virtual Private Network