Computer Science for IGCSE & O level - The Internet And Its Uses (Section 14)

1
What is the purpose of cookies?
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(C)
To store information about a user's browsing activity.
2
What is a key characteristic of a DDoS attack?
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(C)
It aims to make a server unavailable.
3
Which of the following is a potential risk associated with using free Wi-Fi?
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(C)
Data interception by hackers.
4
Which of the following is a function of a cookie?
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A
C
5
Why is it important to keep your software, including your operating system, updated?
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(C)
To fix security vulnerabilities and bugs.
6
What is the primary purpose of a keylogger?
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(B)
To record everything typed on a keyboard.
7
Which type of malware disguises itself as legitimate software?
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(C)
Trojan Horse
8
What is a 'domain name'?
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(A)
The unique address of a website
9
What does the lock icon in the address bar of a web browser indicate?
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(A)
That the website has a secure connection using SSL
10
Which of the following is a sign of a potentially phishing email?
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(C)
A request for personal information.
11
What is the function of a 'firewall' in the context of cyber security?
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(B)
To protect a network from unauthorized access.
12
Which type of data is usually stored in the blockchain?
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A
D
13
What is the main purpose of a Distributed Denial of Service (DDoS) attack?
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(B)
To disrupt network services
14
Which part of a URL identifies the specific location of a resource on a web server?
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(C)
The file path
15
What is the role of a web server?
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(B)
To store, process and deliver web pages to users.
16
What is the meaning of a URL?
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(A)
Uniform Resource Locator (the address of a website).
17
What is the function of a session cookie?
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(C)
To maintain a user's login session.
18
In the context of the internet, what does the term 'protocol' refer to?
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(B)
A set of rules and standards for communication.
19
Which of the following is an example of social engineering?
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(B)
A phishing email
20
What are the potential problems identified in a phishing email?
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A
B
C
D
21
What does the term 'spoofing' refer to in the context of cybersecurity?
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(B)
Falsifying the identity of a user or device.
22
What is the purpose of HTTPS (Hypertext Transfer Protocol Secure)?
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(B)
To encrypt data transmitted between a web browser and a server.
23
What is 'two-factor authentication' (2FA) designed to do?
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(C)
Add an extra layer of security to your accounts.
24
What is the primary function of JavaScript in a web page?
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(C)
To make a web page interactive.
25
Which protocol is typically used for secure communication over the internet?
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(C)
HTTPS
26
What features do persistent cookies have?
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A
C
D
27
In a URL, what does the 'www' typically indicate?
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(B)
The website's host name
28
What is the primary goal of a 'ransomware' attack?
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(C)
To encrypt a user's data and demand payment for its release.
29
Which of the following is a good security practice when using public Wi-Fi?
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(B)
Using a VPN
30
What is 'social engineering'?
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(B)
Manipulating people into divulging confidential information.
31
What is the main purpose of a web browser's cache?
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(B)
To store frequently accessed webpage data to load them more quickly.
32
What can you do to protect yourself from a phishing attack?
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(C)
Check the sender's email address
33
What is a common technique used in phishing attacks?
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(C)
Creating fake websites that look like real ones.
34
What is the role of 'data interdiction' in the context of cyber security?
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(D)
All of these
35
What type of software allows users to access and view web pages?
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(B)
A web browser
36
What is the meaning of 'URL'?
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(B)
Universal Resource Locator
37
What is the purpose of a 'phishing' attack?
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(B)
To trick users into revealing sensitive information.
38
Which of these is NOT a common feature of a password manager?
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(D)
Sharing passwords with anyone without restriction.
39
What is the purpose of a CAPTCHA?
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(B)
To distinguish between human users and bots.
40
What is the definition of 'spam'?
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(B)
Unsolicited electronic messages, often sent in bulk.
41
Which of the following is a sign of possible malware infection?
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(D)
All of the above.
42
What does the abbreviation 'ISP' stand for?
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(C)
Internet Service Provider.
43
What does HTTP stand for?
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(A)
HyperText Transfer Protocol
44
What is a common goal of a phishing attack?
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(B)
To steal user credentials.
45
What does DDoS stand for?
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(A)
Distributed Denial-of-Service
46
What is the role of a 'cookie' in web browsing?
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(C)
To store information about a user's browsing activity.
47
What type of malware is designed to secretly gather information about a user?
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(C)
Spyware
48
Which of the following is an example of two-factor authentication?
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(C)
A password and a code sent to your phone.
49
What is the main characteristic of a Blockchain?
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(B)
Tamper-proof and immutable data storage
50
What is the function of a 'search engine'?
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(C)
To locate information on the internet based on user queries