features of different networks

Question 1

local area network (LAN)

Answer 1

• is a computer network that covers a single building or site

Question 2

wide area networks (WAN)

Answer 2

• it is a computer network that covers a large geographical area e.g. country or the world
• internet is the largest and widely used WAN

Question 3

personal area network (PAN)

Answer 3

• it is used to network devices wireless within a short range of an individual
• e.g. Bluetooth is used to create a PAN to connect all digital devices in a person’s work space

Question 4

virtual private network (VPN)

Answer 4

• it creates a secure network connection over a public network (usually internet) by encryption
• it allows a business to have a secure wide area network without having to pay the high costs of constructing physical network since they use existing internet infrastructure