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