WorksheetsIntroduction to Computer Networks
Total questions: 19
Worksheet time: 10mins
What is LAN?
A network of computers within the same building.
A network of computers located in different geographical locations.
A network that creates a safe and secure connection over less secure network.
Complete this sentence: Internet is an example of …………………
LAN
MAN
WAN
PAN
Complete this sentence: A Bluetooth connection within devices in a car is an example of …………………
PAN
WPAN
VPN
MAN
Complete this sentence: A network that creates a safe and secure connection for an organisation over Internet is ………….?
WPAN
VPN
SAN
A developer designs an online ticketing system for an airline service. Which type of network model is best suited for this application?
Client-server network model
Peer-to-peer network model
Both A and B are equally good.
How can the performance of client-server network model be improved?
Upgrading the computer system of clients.
Limiting the number of clients who can connect to the server at a particular time.
Upgrading the server.
Which type of network model is well suited for an application where data backup is necessary?
Client-server network model
Peer-to-peer network model
Both A and B are equally good.
Which type of network model may lead to illegal file sharing?
Client-server network model
Peer-to-peer network model
Both A and B
What are fibre-optic cables made of?
Copper
Glass
Aluminium
Iron
Complete the sentence: Fibre-optic cables transmit signals in the form of ………………….. signals
Light
Electrical
Radio
Complete the sentence: In wireless connection, data is transmitted in the form of ………………….. signals
Light
Electrical
Radio
Which of the following is an advantage of wireless networks when compared to wired networks?
Security
Higher quality
Connection of multiple devices without any additional hardware
None of the above
Complete the sentence: MAC address consists of ………….. bits.
8
16
24
48
Which of the following is TRUE about MAC address?
A user cannot change the MAC address.
MAC address is assigned by manufacturer.
MAC address uniquely identifies a computer.
All of the above
Which of the following network hardware connects two separate LAN networks?
Router
Modem
Hub
Bridge
Complete this sentence: A ……………… turns a digital data into an electrical signal
Router
Modem
Hub
Bridge
Complete the sentence: ……………… broadcasts data to all devices in the network.
Router
Modem
Hub
Bridge
Which of the following is FALSE about switches?
Switches store the MAC address of devices on a network.
Switches broadcast data to all devices in the network.
Switches filters data packets.
All of the above
1.Which of the following has a single cable connecting all the devices of a network?
i & ii
iii & iv
i & iii
i & iv
