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ICT hawk tuah
Which of the following is an example of a WAN?
How can a firewall help secure a network?
ICT hawk tuah
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1
How can a firewall help secure a network?
By preventing unauthorized physical access
By encrypting all transmitted data
By monitoring and controlling incoming and outgoing network traffic
By removing viruses from infected files
2
Which of the following is an example of a WAN?
The internet
A Bluetooth connection
A home Wi-Fi network
A school network
3
What is Bluetooth mainly used for?
Creating a PAN for short-range device communication
Connecting devices over long distances
Assigning IP addresses
Preventing unauthorized access
4
What does a brute-force attack involve?
Using trial-and-error to guess passwords
Physically breaking into a server room
Monitoring user activity to steal data
Encrypting data to make it unreadable
5
Which type of network covers the largest area?
VPN
WAN
LAN
PAN
6
Which of the following is an example of a Local Area Network (LAN)?
A home Wi-Fi network
A city-wide Wi-Fi system
A mobile hotspot
The internet
7
What is a
Command Line Interface (CLI)?
An OS used only on mobile phones
A voice-activated OS
A type of OS that requires users to type commands
A type of antivirus program
8
Which of the following is an advantage of wireless networks?
Reduced risk of interference
Greater security
Easier installation and mobility
Higher data transfer rates
9
What is a key advantage of a GUI over a CLI?
It is more user-friendly
It uses less storage space
It runs faster on old computers
It requires less RAM
10
What is the primary purpose of antivirus software?
To block pop-up ads
To create new computer viruses
To protect against malicious software
To increase internet speed
11
What happens during half-duplex transmission?
Data flows in both directions, but not at the same time
Data does not flow at all
Data flows in only one direction
Data flows in both directions at the same time
12
What does "authenticate" mean in networking?
To verify a user's identity
To create a network
To speed up data transmission
To assign IP addresses
13
What device is used to connect different devices in a LAN?
Modem
Router
Firewall
Server
14
Which of the following is an example of a Graphical User Interface (GUI)?
BIOS
Terminal
macOS
Command Prompt
15
Which type of network would typically connect a smartwatch to a smartphone?
LAN
PAN
WAN
MAN
16
What is a
firewall
designed to do?
Detect and remove all types of viruses
Store user passwords securely
Block unauthorized access to or from a private network
Speed up computer performance
17
What is the decision point in an echo check algorithm?
Whether the network is fast
Whether the data matches
Whether the device is connected
Whether the data is encrypted
18
What is one major responsibility of an OS?
Running social media applications
Designing websites
Assigning permissions and privileges to users
Creating internet connections
19
What kind of network would most likely be used in a single building?
MAN
WAN
LAN
PAN
20
What is the primary function of a server in a network?
To improve internet speed
To provide services and resources to other devices
To reduce data transmission errors
To block unauthorized access
21
Which of the following is a disadvantage of wireless networks?
Harder to hack
Easier to set up
More expensive than wired networks
Slower than wired networks
22
What is the primary function of an Operating System (OS)?
Editing text documents
Providing internet access
Running antivirus software
Managing all hardware and software on a computer
23
What type of transmission would be most suitable for connecting a computer to a printer?
Parallel transmission
Simplex transmission
Serial transmission
Full-duplex transmission
24
What is the main function of a Network Operating System (NOS)?
Controlling home automation
Creating documents
Managing network resources and security
Playing video games
25
Which of the following is an example of simplex transmission?
Radio broadcast
Video conference
Telephone call
Walkie-talkie
26
Why are
databases
important for cybersecurity?
They store large amounts of data, including security records
They are used to spread malware
They delete all security threats automatically
They slow down computer performance
27
What is the most important program in a computer?
Firewall
Microsoft Word
Operating System
Web Browser
28
What is one function of a
network administrator
?
Managing network security and user access
Creating computer viruses
Designing websites
Selling security software
29
What is a primary advantage of a wired network over a wireless network?
Portability
Lower cost
Higher security
No installation required
30
What is spyware designed to do?
Encrypt data on a device
Monitor a target computer’s actions
Prevent access to the operating system
Destroy files on a computer
31
What does "W" in WLAN stand for?
Wide
Wireless
Wired
Wave
32
What is the best way to protect against brute-force attacks?
Disable firewalls
Install antivirus software
Use complex and unique passwords
Use public Wi-Fi networks
33
What is the purpose of a
security check
on home devices?
To verify if security measures like antivirus and firewalls are in place
To update the computer’s operating system
To uninstall unnecessary applications
To increase internet speed
34
Which network is most suitable for connecting devices within a household?
MAN
PAN
WAN
LAN
35
Which cable type is best for long-distance, high-speed data transmission?
Fibre-optic cable
Coaxial cable
Copper cable
Ethernet cable
36
Which of the following is an example of
ransomware
?
A tool used to block pop-up ads
A virus that deletes files permanently
A program that encrypts files and demands payment to unlock them
A program that steals banking details
37
Which of the following is an example of a protocol in data transmission?
TCP/IP
Binary format
ASCII
EMI
38
What does electromagnetic interference (EMI) do to data transmission?
Encrypts the data automatically
Speeds it up
Causes errors in data transmission
Prevents devices from connecting
39
What is an example of
adware
?
A software that removes advertisements
A software that automatically displays unwanted ads
A program that encrypts files
A virus that spreads through USB devices
40
What is the best way to protect your personal information online?
Avoiding suspicious websites and using security software
Downloading files from unknown sources
Clicking on links in unknown emails
Using the same password for all accounts
41
What is one disadvantage of a wireless network compared to a wired network?
Slower hardware setup
Prone to interference
Limited mobility
High cost
42
Which of these is an example of a WAN?
A school computer lab network
A home network
The Internet
A smartwatch connecting to a phone
43
What is unauthorised access?
Encrypting data for protection
Installing updates to improve security
Accessing a network with permission
Gaining access to a network without permission
44
What is augmented reality (AR)?
A simulation of a network
A wireless network protocol
Enhancements of real-world experiences with digital overlays
A virtual environment replacing the real world
45
What is the primary purpose of a switch in a network?
Connecting devices wirelessly
Providing internet access
Increasing network bandwidth
Forwarding data to the correct device
46
Which OS component is responsible for managing installed applications?
Task Manager
System Kernel
Network adapter
Internet browser
47
What is the primary purpose of error detection methods like echo checks?
To enhance user interface design
To speed up network connections
To encrypt sensitive data
To ensure accurate data transmission
48
Which of the following is NOT an operating system?
macOS
Windows
Microsoft Office
Linux
49
What is the primary role of a network administrator in relation to an OS?
Fix printers
Install computer games
Manage and maintain network operations
Design websites
50
What does
quarantine
mean in the context of cybersecurity?
The process of permanently deleting files
A type of security software
A method of scanning the entire internet
A secure folder where potentially harmful files are isolated
51
Which of the following is an example of an OS used in smartphones?
Linux Mint
Windows 11
MS-DOS
Android
52
What is ransomware?
Software that monitors a computer’s activities
A type of malware that demands payment to restore access
Software that repairs network vulnerabilities
A method of encrypting files for security
53
Which of the following is an example of a hardware component?
Server
Operating System
Antivirus software
Firewall
54
Which type of network is generally easier to intercept?
Satellite network
Fiber-optic network
Wireless network
Wired network
55
What is data transmission?
The process of converting data to text
The process of printing documents
The movement of data between two devices
The deletion of unwanted files
56
What happens if data in an echo check does not match?
The system shuts down
The data is automatically encrypted
An error message is output, and data is sent again
The system ignores the error
57
Which protocol is used to assign IP addresses automatically?
FTP
HTTP
TCP
DHCP
58
What is the function of a router in a network?
To protect the network from interference
To store and process data
To amplify wireless signals
To assign IP addresses and manage traffic
59
What does "LAN" stand for?
Logical Area Network
Local Area Network
Local Access Network
Large Area Network
60
What is a bit flip?
A compression algorithm
A change in the direction of data flow
An accidental change in a binary value during transmission
A type of hardware switch
61
What should you do if you receive an email from an unknown sender with an attachment?
Share it with friends
Ignore the email and delete it
Click on any links in the email
Open the attachment immediately
62
Which of these statements about wired networks is true?
They are difficult to set up
They are always slower than wireless networks
They require physical cables
They are less secure than wireless networks
63
What does
spyware
do?
Secretly collects user information
Encrypts files and demands ransom
Protects the computer from viruses
Displays unwanted advertisements
64
Which of the following best describes bandwidth?
The length of a cable
The maximum data transfer capacity of a network
The speed of data transmission
The range of a wireless signal
65
What is the purpose of echo checks?
To verify that data sent matches data received
To compress data during transmission
To improve network speed
To encrypt transmitted data
66
Which type of memory is temporary and used for quick access by the OS?
Hard Drive
DVD
RAM
USB Storage
67
What is interference in networking?
A method to boost network range
Signal disruption caused by other devices or signals
A deliberate attack on the network
A type of wireless protocol
68
What is a disadvantage of wired networks compared to wireless networks?
Difficulty in installation
Limited mobility
Lower speed
Higher security risk
69
What is an example of an OS with a Natural Language Interface?
Command Prompt
Windows 95
Linux Ubuntu
Siri (iOS)
70
Which of the following is NOT a common network security threat?
Viruses
Spyware
Firewalls
Unauthorised access
71
What is a
Trojan horse
in cybersecurity?
A harmful program disguised as a legitimate one
A tool used by hackers to detect threats
A type of virus that spreads through emails
A security software
72
What is an IP address?
A type of firewall
A type of network security software
A unique identifier for a device on a network
A physical component in a network
73
What does parallel transmission involve?
Sending data without any protocol
Sending one bit at a time over a single channel
Sending multiple bits simultaneously over multiple channels
Transmitting data only in one direction
74
What is the purpose of an interface in an OS?
To store files permanently
To increase internet speed
To protect against viruses
To allow users to interact with the computer
75
What is one key advantage of a fibre-optic cable over copper cable?
Lower cost
Greater flexibility
Higher speed and less signal loss
Simpler installation
76
Which device provides a wireless access point in a network?
Ethernet switch
Router
Wireless extender
Modem
77
What is ASCII used for?
Speeding up data transmission
Protecting against viruses
Representing text characters in binary form
Encrypting data
78
Which security threat involves intentionally damaging computers?
Phishing
Spyware
Brute-force attack
Viruses
79
Which of the following is a key advantage of full-duplex transmission?
Simplified hardware
Reduced cost
Increased security
Simultaneous two-way communication
80
What is a cyber-attack?
A type of software update
A method of improving network performance
Any attempt to gain unauthorized access to a network or system
A physical attack on network equipment
81
Which OS feature allows a system to interact with hardware like a keyboard and mouse?
Firewall
Antivirus
RAM
Drivers
82
What is the purpose of anti-spyware software?
To monitor network activity
To prevent viruses
To encrypt sensitive data
To detect and remove spyware
83
What does PAN stand for?
Public Access Network
Peripheral Attached Network
Private Automated Network
Personal Area Network
84
How can
unauthorized access
be prevented?
Disabling firewalls
Using simple passwords
Installing antivirus software and using strong passwords
Allowing public access to accounts
85
What is the main advantage of using a wireless network?
Requires less electricity
Faster speed
No physical cables required
More secure than wired networks
86
Which of the following is a
common cybersecurity threat
?
Keeping software updated
Sharing passwords with others
Using complex passwords
Installing security patches regularly
87
What is a
secure password
?
A password that never changes
A password that is easy to remember, like “12345”
A single word found in the dictionary
One that includes a mix of uppercase, lowercase, numbers, and symbols
88
What is the purpose of a firewall in a network?
To connect multiple devices
To store data
To prevent unauthorized access
To increase network speed
89
Which of the following causes data transmission errors?
Temperature changes
Electromagnetic interference
Packet loss
All of the above
90
What is the most commonly used weak password?
password
12345
admin
abc123
