WorksheetsData Communication
Total questions: 15
Worksheet time: 9mins
What is a computer network?
A combination of devices working together
A set of computer devices linked together
A set of computer devices linked together to share resources
A combination of laptops and desktops connected via some wireless technology
Which of the following is NOT a type of transmission channel?
Coaxial cable
Twisted pair
Modem
Microwave
Persons at a KFC restaurant realise that they were able to access the internet on their phones. This would be considered a
MAN
Hot Spot
LAN
Satellite
A LAN is big enough to cover what area?
A university campus
A single house
A single department
All of the above
An advantage of using a LAN is that?
The users are at risk of getting a virus
All the resources can be shared with others
The network is inexpensive to maintain
No real advantage
Twisted pair, coaxial cable and fibre optic cable are examples of
Wired Media
Wireless Media
Both wired and wireless
None of the above
This picture represents
(a)
(a) connects computers across a city
Transmissions are possible in both directions simultaneously
(a)
This device allows simplex transmission only
(a)
Transmissions are possible in both directions but not at the same time
(a)
A network that provides connections between countries around the world
(a)
A communication channel that transmits a large amount of data at a time
(a)
Your school principal was advised to set up a computer network in the computer lab. List, with reasons, THREE (3) devices required to create this network.
A network was set up in the computer lab. List TWO (2) advantages and TWO (2) disadvantages of this network.
