Computer Science for IGCSE & O level - The Internet And Its Uses (Section 16)
1
What is the purpose of two-factor authentication (2FA)?
คำตอบ(B)
To enhance security by requiring multiple authentication methods
2
What are some common symptoms of a computer infected with a virus?
3
What is the purpose of a keylogger?
4
Which of the following is a method of protecting against spyware?
คำตอบ(B)
Installing anti-spyware software.
5
What is the meaning of 'brute force' attack in relation to cyber security?
คำตอบ(C)
An attempt to try many passwords systematically.
6
Which of the following are recommended steps to protect against malware?
7
What does the 'http' at the beginning of a web address stand for?
คำตอบ(B)
Hyper Text Transfer Protocol
8
What is the primary purpose of the HTTPS protocol?
คำตอบ(B)
To encrypt the data sent between a web browser and a web server
9
What is the term for using social engineering to try to trick someone into divulging sensitive information?
10
What is the purpose of a web browser?
คำตอบ(D)
To interpret HTML files and display web pages.
11
What is the purpose of a strong password?
คำตอบ(C)
To prevent unauthorized access to your accounts.
12
What is a benefit of keeping your software updated?
คำตอบ(B)
It fixes bugs and security vulnerabilities.
13
What does 'phishing' refer to?
คำตอบ(C)
Tricking individuals into providing sensitive information.
14
What is a 'botnet' used for?
คำตอบ(C)
To control a network of infected computers for malicious purposes.
15
What does 'spam' mean in the context of the internet?
16
What is the main purpose of a web browser's address bar?
คำตอบ(B)
To enter a web address to navigate to a specific webpage.
17
What is the general function of a web browser?
คำตอบ(B)
To access and display information from the internet.
18
Which of the following actions should you take to minimize the risk of a phishing attack?
คำตอบ(D)
Verify the sender's email address and the content of the email.
19
What is the meaning of a 'digital certificate'?
คำตอบ(B)
A digital document that is used to verify the identity of a website.
20
What are some of the main features of a web browser?
คำตอบ(A)
Displaying web pages, storing passwords, allowing to navigate between web pages.
21
What information does a firewall examine?
คำตอบ(B)
Incoming and outgoing network traffic
22
What is the main goal of cryptography in digital currency?
คำตอบ(C)
To secure transactions and prevent unauthorized access.
23
What is the meaning of the abbreviation 'URL'?
24
What is the main purpose of a 'firewall' on a computer?
คำตอบ(B)
To protect against unauthorized access and malicious software
25
Which parts make up a URL?
26
What could happen if you visit a website that uses an older version of HTTPS?
27
What is the role of a proxy server?
คำตอบ(B)
To filter internet traffic
28
What are the functions of cookies?
29
Which of the following is a potential risk associated with using public Wi-Fi?
คำตอบ(C)
Data interception by unauthorized users.
30
What is the definition of 'spoofing' in the context of cybersecurity?
คำตอบ(B)
Disguising an online identity to deceive or gain unauthorized access.
31
What is the main goal of encryption in secure communication?
คำตอบ(B)
To scramble data to prevent unauthorized access.
32
What is the primary function of encryption in digital currency?
คำตอบ(C)
Protect transactions and prevent unauthorized access.
33
What does HTTPS stand for and what is its purpose?
คำตอบ(A)
HyperText Transfer Protocol Secure; It ensures a secure connection.
34
What is a keylogger primarily used for?
35
What steps can you take to protect your online accounts?
36
What is the primary function of a DNS server?
คำตอบ(A)
To translate domain names into IP addresses.
37
Which is the most secure way to store a password?
คำตอบ(C)
Using a password manager.
38
What is the main purpose of a Uniform Resource Locator (URL)?
คำตอบ(B)
To identify and locate resources on the internet.
39
Which of the following is an example of a strong password?
40
What is the purpose of a 'cookie'?
คำตอบ(C)
To store information about your website activity.
41
Which of the following is an example of social engineering?
คำตอบ(B)
Clicking on a link in a suspicious email.
42
What is the primary function of two-factor authentication (2FA)?
คำตอบ(D)
To add an extra layer of security.
43
What is the purpose of a VPN?
คำตอบ(B)
To encrypt your internet traffic and mask your IP address.
44
What type of security threat involves tricking a user into revealing sensitive information?
45
What should you do if you suspect your account has been compromised?
คำตอบ(B)
Change your password immediately and contact the service provider.
46
คำตอบ(B)
Tricking people into revealing personal information online.
47
What does 'URL' stand for?
คำตอบ(C)
Uniform Resource Locator.
48
Which of the following is a good practice when creating a password?
คำตอบ(C)
Use a password that is at least 12 characters long and includes a mix of character types.
49
What does the acronym DDoS stand for?
คำตอบ(C)
Distributed Denial of Service
50
What is a common technique used by fraudsters in phishing emails?
คำตอบ(B)
Creating a sense of urgency to prompt immediate action.
