Networks & the effects of using them

Question 1

Explain what a LAN is

Answer 1

LAN stands for ‘Local Area Network’ & are systems that are usually within one building & spread over small geographical area. It consists of a number of computers & devices that are connected to hubs & switches that will usually be connected to a router & a modem.

Question 2

Explain what a WAN is

Answer 2

WAN stands for ‘Wide Area Network’ & they spread over large geographical areas. It is a number of LANs joined together & they consist of end systems & intermediate systems.

Question 3

Describe 4 advantages of using a tablet computer rather than a laptop computer.

Question 4

(a) Describe the advantages of using emails compared with physical faxing.

A computer virus has been downloaded from an infected file.
(b) Describe 3 effects this could have on a computer.

Question 5

Describe the process of using Wi-Fi to connect to a WLAN