Chapter 4
1. State 3 differences between LAN & WAN.
LAN:
Privacy: Private
No. of computers: Limited no. of computers
Close / far: Close to each other
WAN:
Privacy: public
No. of computers: Unlimited no. of computers
Close / far: Far away
2. What is WLAN?
Wireless local area network connected using radio waves
3. Describe advantages & disadvantages of WLAN compared to LAN.
WLAN:
Tripping over cables: No
Hacking: Easier
Transfer speed: Lower
Add devices: Easier
Can connect mobiles: Yes
Allows portability during use: Yes
LAN:
Tripping over cables: Yes
Hacking: More difficult
Transfer speed: Higher
Add devices: More difficult
Can connect mobiles: No
Allows portability during use: No