Computer Science for IGCSE & O level - The Internet And Its Uses (Section 18)
1
Which of the following is an example of a domain name?
2
What is a common method used in phishing attacks?
پاسخ دهید(A)
Creating fake websites that look like legitimate ones.
3
What is the general rule about using strong passwords?
پاسخ دهید(C)
Use a unique password for each account.
4
What are some ways to protect yourself from cyber security threats?
5
Which of the following actions can be taken to prevent data interception attacks?
6
What is the advantage of using a blockchain network?
پاسخ دهید(C)
Increased security due to decentralization and cryptography
7
What should you do if you see an unknown program trying to access the internet?
پاسخ دهید(B)
Block it unless you know what it is.
8
What is the role of a VPN?
پاسخ دهید(C)
To encrypt your internet traffic and mask your IP address.
9
What is a digital footprint?
پاسخ دهید(B)
The trail of data you leave online
10
What is the primary aim of a keylogger?
پاسخ دهید(B)
To record the user's keystrokes
11
What is the term for a malicious program designed to replicate itself and spread to other computers?
12
What does the term 'phishing' refer to?
پاسخ دهید(C)
A fraudulent attempt to obtain sensitive information.
13
What is the primary function of a firewall?
پاسخ دهید(B)
To filter network traffic
14
Which type of malware specifically aims to encrypt a user's data and demand a ransom?
15
Which of the following is a key characteristic of an SSL certificate?
پاسخ دهید(A)
It is used to verify a website's identity.
16
What does 'pharming' involve?
پاسخ دهید(B)
Redirecting users to fake websites.
17
What is the definition of 'man-in-the-middle' attack?
پاسخ دهید(A)
An attack where a malicious actor intercepts communication between two parties.
18
If you suspect your account has been compromised, which action should you take FIRST?
پاسخ دهید(B)
Change your password immediately.
19
What is the main risk associated with opening an email attachment from an unknown sender?
پاسخ دهید(B)
Potential malware infection
20
Which of the following is a type of malware that spreads via email attachments?
21
What are the key components of a URL?
22
What is a significant difference between a virus and a worm?
پاسخ دهید(A)
A virus requires a host file, while a worm is self-contained.
23
What security measure is best to combat phishing attacks?
پاسخ دهید(C)
Being aware of phishing attempts and verifying sender information
24
What is the primary goal of a 'phishing' attack?
پاسخ دهید(B)
To trick users into revealing sensitive information.
25
What can you do to protect your personal information when using public Wi-Fi?
26
What is the main purpose of anti-virus software?
پاسخ دهید(B)
To protect your computer from malware.
27
What are some common threats to Cyber Security?
28
What does 'malware' stand for?
29
What does the term 'ethical hacking' primarily involve?
پاسخ دهید(C)
Identifying security vulnerabilities with permission
30
What is the main function of anti-virus software?
پاسخ دهید(C)
To detect and remove malicious software
31
What is the function of JavaScript in a web browser?
پاسخ دهید(B)
To add interactivity and dynamic behavior to a web page.
32
What is a potential consequence of using an outdated web browser?
پاسخ دهید(B)
Enhanced security vulnerabilities.
33
What is the purpose of a web browser's 'History' feature?
پاسخ دهید(B)
To keep a record of the websites you've visited.
34
What is a benefit of using a VPN?
پاسخ دهید(B)
It makes your internet browsing more private.
35
What is a 'brute force' attack in the context of cyber security?
پاسخ دهید(C)
An attack that attempts to guess passwords by systematically trying different combinations.
36
What is the main goal of Blockchain technology?
پاسخ دهید(C)
Enhanced data transparency and security
37
What is the main goal when using cryptography?
پاسخ دهید(C)
Secure communication and data storage
38
Which of the following is a potential consequence of using a weak password?
39
What is the best practice for creating strong passwords?
پاسخ دهید(C)
Including a mix of uppercase and lowercase letters, numbers, and symbols.
40
What does digital currency use to ensure its safety?
41
What is an IP address used for?
پاسخ دهید(B)
To uniquely identify devices on a network.
42
What is the term for a website designed to look like a legitimate one in order to steal a user's credentials?
43
Which are the common Cyber Security Threats?
44
What is the primary function of anti-virus software?
پاسخ دهید(B)
To protect your computer from malware.
45
Which of the following helps to prevent unauthorized access to your computer?
46
Which of the following is a potential security risk when using public Wi-Fi?
پاسخ دهید(C)
Your data can be intercepted.
47
Which of the following is a method of authentication?
پاسخ دهید(C)
Two-factor authentication.
48
What is a key indicator of a phishing attempt?
پاسخ دهید(B)
Requests for personal information
49
Which type of malware replicates itself and spreads across a network?
50
Which security practice is recommended when using public computers?
پاسخ دهید(C)
Clear the browsing history and cache after use.
