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Worksheets

Digital Systems

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

What is the main difference between a Local Area Network (LAN) and a Wide Area Network (WAN)?

a)

LAN covers a large geographical area, while WAN is limited to a single building

b)

LAN is a private network within a small area, while WAN connects multiple LANs over large distances

c)

WAN is faster than LAN

d)

WAN does not require any networking hardware

2.

Which of the following is NOT a type of wireless data transmission?

a)

Radio

b)

Ethernet

c)

Satellite

d)

Microwave

3.

What is the primary purpose of cloud computing?

a)

To allow users to access storage and computing resources without physical infrastructure

b)

To provide internet services

c)

To improve WiFi speed

d)

To create a secure local network

4.

What is a computer virus?

a)

A security tool used to remove malware

b)

A networking device used for secure connections

c)

A type of malware that spreads between computers, causing damage to data and software

d)

A hardware failure that slows down a computer

5.

How does a Trojan Horse virus operate?

a)

It self-replicates and spreads to other computers automatically

b)

It encrypts user data to prevent unauthorized access

c)

It blocks access to specific websites

d)

It disguises itself as a legitimate program and tricks users into installing it

6.

What is phishing?

a)

A security protocol used in encryption

b)

A method of securely transferring data

c)

A type of networking hardware

d)

A cyberattack that attempts to steal personal information by tricking users into revealing details

7.

What is the purpose of encryption in network security?

a)

To speed up internet connections

b)

To prevent malware from spreading

c)

To scramble data so it cannot be read if intercepted

d)

To allow all network devices to communicate freely

8.

What is the function of a firewall?

a)

It encrypts all data sent over a network

b)

It prevents overheating of network hardware

c)

It monitors and controls network traffic, blocking unrecognized IP addresses

d)

It physically blocks internet cables from being cut

9.

What is a WEP key used for?

a)

To secure data transfer over a wireless network through encryption

b)

To physically lock a computer

c)

To increase the internet speed

d)

To allow devices to connect to a network without security checks

10.

What is the role of a server in a network?

a)

It provides large storage space and manages network operations

b)

It connects home networks to the internet

c)

It acts as a firewall to protect against malware

d)

It allows only wired devices to connect

11.

What is the main function of a switch in a network?

a)

To prevent unauthorised users from accessing the network

b)

To provide wireless internet access

c)

To replace the need for a modem

d)

To connect multiple devices to a network and allow communication

12.

How is a modem different from a router?

a)

A modem connects to the internet, while a router connects multiple devices to the network

b)

There is no difference between a modem and a router

c)

A router connects to the ISP, while a modem distributes internet within a network

d)

A modem is only for wired connections, while a router is only for wireless connections

13.

What are Integrated Service Routers (ISRs)?

a)

Devices that combine modem, router, firewall, and switching functions in one

b)

Special servers used for data storage

c)

A type of computer virus

d)

A cloud computing service

14.

What is the purpose of a Network Interface Card (NIC)?

a)

To protect computers from viruses

b)

To provide extra storage space

c)

To allow a device to connect to a network, either wired or wirelessly

d)

To act as a firewall

15.

Which of the following is NOT a type of wireless data transmission?

a)

Radio

b)

Ethernet

c)

Satellite

d)

Bluetooth

16.

What is the primary purpose of cloud computing?

a)

To increase internet speed

b)

To allow users to store and access data remotely without physical infrastructure

c)

To protect networks from cyber threats

d)

To create a direct connection between LAN and WAN networks

17.

What is a computer virus?

a)

A type of malware that spreads between computers, causing damage to data and software

b)

A computer hardware failure that slows down performance

c)

A program used to boost internet speed

d)

A feature of an antivirus program that removes malware

18.

What is the function of a firewall?

a)

It increases the processing speed of network devices

b)

It encrypts all data on a computer

c)

It allows multiple devices to connect to the internet

d)

It prevents unauthorized access to a network by monitoring traffic