Computer Science for IGCSE & O level - The Internet And Its Uses (Section 2)

  • 1
    What does 'phishing' involve?
    คำตอบ
    (B)
    Trying to trick people into giving away their personal information online.
  • 2
    In the context of cyber security, what does the term 'malware' stand for?
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    (A)
    Malicious software
  • 3
    What type of malware is designed to steal sensitive information such as login credentials and financial data?
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    (C)
    Spyware
  • 4
    What are some best practices to protect against a phishing attack?
    คำตอบ
    A
    B
    C
  • 5
    What is a common method hackers use in a brute-force attack?
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    (A)
    Trying every possible password combination.
  • 6
    What do we call the process that converts a human-readable domain name (e.g., www.example.com) into an IP address?
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    (C)
    DNS lookup
  • 7
    What is the role of a digital certificate in HTTPS?
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    (B)
    To authenticate the server's identity.
  • 8
    Which of the following is a security risk associated with using public Wi-Fi?
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    (B)
    Easier for attackers to intercept your data.
  • 9
    What does the term 'malware' stand for?
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    (A)
    Malicious Software
  • 10
    What is the primary method used in phishing attacks?
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    (A)
    Sending unsolicited emails.
  • 11
    What is the purpose of 'spam' emails?
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    (B)
    To send unsolicited bulk messages.
  • 12
    What are the common ways in which attackers can gain access to your accounts?
    คำตอบ
    A
    B
    C
  • 13
    Which of the following is a characteristic of a strong password?
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    (C)
    It contains a mix of uppercase and lowercase letters, numbers, and symbols.
  • 14
    What is the purpose of a 'path' in a URL?
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    (C)
    To locate the specific resource (e.g., a file or a page) on a server.
  • 15
    What type of attack is described as attempting to overwhelm a server with numerous requests?
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    (B)
    DoS attack.
  • 16
    What is the purpose of a firewall?
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    (B)
    To filter and control network traffic.
  • 17
    What is the purpose of the "blacklist" in the context of internet security?
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    (B)
    To block known malicious websites and IP addresses.
  • 18
    In the context of social media security, what does 'public access' refer to?
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    (C)
    Data accessible to anyone on the internet.
  • 19
    What is the characteristic of a blockchain that ensures data integrity?
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    (B)
    Immutability of the data.
  • 20
    Which type of malware encrypts a user's files and demands payment for the decryption key?
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    (C)
    Ransomware
  • 21
    Which actions help to protect against 'man-in-the-middle' attacks?
    คำตอบ
    A
    B
    D
  • 22
    What does 'malware' do?
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    (C)
    It can cause harm to the computer's data or operations.
  • 23
    What is the purpose of 'two-factor authentication'?
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    (B)
    To verify a user's identity using multiple methods.
  • 24
    What does the term 'biometrics' refer to in the context of authentication?
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    (B)
    Unique physical characteristics.
  • 25
    Which of the following files does a web browser cache store?
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    (B)
    Website images and scripts.
  • 26
    What is a key feature of blockchain technology?
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    (B)
    Immutability of the data.
  • 27
    What are some common techniques employed in phishing scams?
    คำตอบ
    A
    B
    C
    D
  • 28
    What are some of the major uses of Cookies?
    คำตอบ
    A
    B
    C
  • 29
    What does the term 'phishing' refer to?
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    (C)
    The act of fraudulently attempting to obtain sensitive information, such as usernames, passwords, and credit card details, by disguising as a trustworthy entity in an electronic communication.
  • 30
    What does the term 'phishing' refer to?
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    (C)
    The practice of obtaining sensitive information through deception.
  • 31
    Which security measure helps protect against the theft of your online credentials?
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    (A)
    Using a strong password.
  • 32
    What type of social engineering involves the attacker pretending to be someone in authority to gain information?
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    (A)
    Pretexting
  • 33
    What type of access is granted to 'friends' in the context of social networking settings?
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    (D)
    Customized access based on the user's preferences.
  • 34
    Which of the following is a potential problem associated with an email that appears to be from a company, but is actually a phishing attempt?
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    (B)
    The email contains a virus that could be used to access data
  • 35
    What can you do to protect against a Man-in-the-Middle (MitM) attack?
    คำตอบ
    A
    B
  • 36
    Which of the following is an example of multi-factor authentication?
    คำตอบ
    B
    D
  • 37
    What is the biggest risk associated with clicking on links in emails from unknown senders?
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    (C)
    You might be directed to a malicious website.
  • 38
    What is a potential risk of clicking on a shortened URL?
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    (B)
    The destination website is hidden, and it could lead to a malicious site.
  • 39
    Which of the following actions might indicate a phishing attempt?
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    (B)
    Being asked to provide personal information via email.
  • 40
    What part of a URL specifies the type of protocol used (e.g., http or https)?
    คำตอบ
    (C)
    Protocol
  • 41
    Which of the following is a potential result of a 'DDoS attack'?
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    (B)
    A website becoming temporarily unavailable.
  • 42
    Which of the following is an example of a security protocol?
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    (C)
    HTTPS
  • 43
    What is the purpose of a VPN (Virtual Private Network)?
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    (B)
    To encrypt your internet traffic and mask your IP address.
  • 44
    What is the primary purpose of automatic software updates?
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    (B)
    To protect against malware and improve software performance
  • 45
    Which of the following is an advantage of using a strong password?
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    A
    C
  • 46
    What is the primary purpose of a firewall?
    คำตอบ
    (A)
    To filter unwanted Internet traffic
  • 47
    What technology allows users to access websites?
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    (B)
    The World Wide Web (WWW)
  • 48
    What are the characteristics of a strong password?
    คำตอบ
    B
    C
  • 49
    What is the primary goal of a 'brute-force' attack?
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    (B)
    To guess a password by trying multiple combinations.
  • 50
    What is a 'key' in cryptography?
    คำตอบ
    (B)
    A secret value used to encrypt and decrypt data.