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