Computer Science for IGCSE & O level - The Internet And Its Uses (Section 15)
1
What is the main goal of a 'man-in-the-middle' attack?
پاسخ دهید(C)
To intercept communications between two parties.
2
What is the primary function of a firewall?
پاسخ دهید(B)
To prevent unauthorized access to a network.
3
Which of the following is a type of anti-malware?
4
What is the role of encryption in digital currency?
پاسخ دهید(B)
To prevent unauthorized access and secure transactions
5
What is the main characteristic of ransomware?
پاسخ دهید(B)
It encrypts files and demands a ransom.
6
What is 'social engineering'?
پاسخ دهید(C)
Manipulating people into revealing confidential information.
7
What does the term 'malware' encompass?
پاسخ دهید(C)
Various types of harmful software, like viruses and spyware.
8
What is the main function of a firewall?
پاسخ دهید(B)
To monitor and filter incoming and outgoing network traffic
9
Which of the following is a characteristic of spyware?
پاسخ دهید(B)
It monitors user activity and gathers information
10
What is the main goal of a ransomware attack?
پاسخ دهید(C)
To encrypt a user's data and demand a ransom for its release.
11
What is the purpose of two-factor authentication (2FA)?
پاسخ دهید(B)
To increase the security of an account by requiring a second verification method.
12
What is the main goal of a denial-of-service (DoS) attack?
پاسخ دهید(B)
To make a computer system unavailable.
13
What is the function of a web browser's cache?
پاسخ دهید(B)
To store frequently accessed web page content for faster loading.
14
What is the main benefit of using HTTPS over HTTP?
پاسخ دهید(C)
Secure and encrypted communication.
15
What is the main goal of a Distributed Denial of Service (DDoS) attack?
پاسخ دهید(B)
To make a computer system unavailable to users.
16
Which of the following is NOT a function of a web browser?
17
Which of the following is the best practice for protecting your social media accounts?
پاسخ دهید(C)
Regularly review your privacy settings.
18
What does 'HTTPS' stand for?
پاسخ دهید(A)
HyperText Transfer Protocol Secure
19
What is the term used for tricking someone into revealing their personal information online?
20
Which of the following can be considered as Cyber Security Threats?
21
What does 'cookie' refer to in the context of internet security?
پاسخ دهید(A)
A small file that websites store on a user's computer to remember information about them.
22
What is the purpose of a digital certificate?
پاسخ دهید(B)
To verify the identity of a website or individual online.
23
What are some common characteristics of a phishing email?
24
What are session cookies primarily used for?
پاسخ دهید(B)
Storing information about the user's current session.
25
What is a common security risk associated with using public Wi-Fi?
26
What does a 'strong password' usually contain?
پاسخ دهید(C)
A mix of uppercase and lowercase letters, numbers, and symbols.
27
What security protocols does TLS perform?
28
Which of the following best describes 'social engineering'?
پاسخ دهید(B)
Tricking people into revealing information
29
What are some best practices for creating strong passwords?
30
Which of the following describes the function of a web server?
پاسخ دهید(B)
To store and deliver web pages and files.
31
What is the primary purpose of encryption?
پاسخ دهید(B)
To protect data from unauthorized access.
32
What is a common security measure to protect against pharming attacks?
پاسخ دهید(C)
Carefully checking the website address.
33
What does HTML stand for?
پاسخ دهید(A)
Hyper Text Markup Language
34
What is the function of the 'refresh' or 'reload' button in a web browser?
پاسخ دهید(C)
To update the current webpage with the latest content.
35
What is the purpose of a VPN (Virtual Private Network)?
پاسخ دهید(B)
To encrypt internet traffic
36
What is meant by 'encryption'?
پاسخ دهید(B)
The process of converting data into a code to prevent unauthorized access.
37
What does the abbreviation 'HTTPS' stand for?
پاسخ دهید(A)
HyperText Transfer Protocol Secure
38
Why is it important to regularly back up your data?
پاسخ دهید(B)
To protect your data from loss due to hardware failure, malware, or other events.
39
What is the main purpose of a DNS server?
پاسخ دهید(B)
To translate domain names into IP addresses.
40
Which of the following are examples of where SSL would be used?
41
What is the term for software designed to damage or disrupt a computer system?
42
What type of attack is designed to prevent a user from accessing a website?
43
Which of the following is a typical feature of a web browser?
پاسخ دهید(C)
Navigating between webpages using hyperlinks
44
What is a potential outcome of a successful phishing attack?
پاسخ دهید(B)
Loss of personal information
45
What does the term 'pharming' refer to?
پاسخ دهید(B)
Redirecting website traffic to a fake site without the user's knowledge.
46
What security measure helps to prevent unauthorized access to a user's computer?
47
What is the purpose of two-factor authentication (2FA)?
پاسخ دهید(C)
To provide an extra layer of security by requiring two forms of identification.
48
What does a 'firewall' do?
پاسخ دهید(B)
Controls network traffic to protect against unauthorized access.
49
Which type of attack involves tricking someone into providing sensitive information?
50
What is a Denial-of-Service (DoS) attack?
پاسخ دهید(C)
An attack that overwhelms a server with traffic, making it unavailable.
