Computer Science for IGCSE & O level - The Internet And Its Uses (Section 11)

  • 1
    What is the purpose of anti-virus software?
    پاسخ دهید
    (B)
    To detect and remove malicious software.
  • 2
    Which of the following is a type of attack involving the use of deceptive emails?
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    (C)
    Phishing
  • 3
    What should you do if you find a suspicious device connected to your network?
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    B
    C
  • 4
    What is the purpose of setting up a firewall?
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    (B)
    To filter network traffic based on predefined rules.
  • 5
    What term is used to describe a type of attack where an attacker attempts to flood a network or server with traffic to make it unavailable?
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    (C)
    DoS attack
  • 6
    What does 'wardriving' involve?
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    (D)
    Searching for unsecured Wi-Fi networks.
  • 7
    What is 'social engineering' in the context of cyber security?
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    (C)
    Manipulating people to reveal sensitive information.
  • 8
    What is the purpose of a web browser's cache?
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    (A)
    To store temporary files to speed up website loading.
  • 9
    What should you do to protect your computer if you receive a suspicious email with an attachment?
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    (D)
    Scan the attachment with antivirus software before opening it.
  • 10
    What does the term 'pharming' refer to?
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    (B)
    A malicious redirect of a user's browser to a fake website.
  • 11
    What is 'phishing'?
    پاسخ دهید
    (B)
    Sending deceptive emails to trick people into revealing sensitive information.
  • 12
    What does a URL use to identify a web page?
    پاسخ دهید
    (D)
    All of the above.
  • 13
    What is the difference between the Internet and the World Wide Web (WWW)?
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    (B)
    The Internet is the hardware and the WWW is the software that runs on it.
  • 14
    What is the purpose of anti-malware software?
    پاسخ دهید
    (A)
    To identify and remove spyware.
  • 15
    Which of the following are types of cyber security threats?
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    A
    B
    C
  • 16
    Which of these are potential benefits of using a proxy server?
    پاسخ دهید
    A
    B
    C
  • 17
    What is the meaning of the term 'URL'?
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    (B)
    Uniform Resource Locator
  • 18
    Which of the following is the most significant risk when you click on a phishing link?
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    (C)
    Your personal information may be stolen.
  • 19
    What is the primary objective of 'anti-spyware' software?
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    (B)
    To remove or mitigate the threat of malware.
  • 20
    Which of the following could be used to identify a phishing email?
    پاسخ دهید
    A
    B
    C
    D
  • 21
    In a URL, what does the part before the domain name (e.g., http://) represent?
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    (C)
    The protocol
  • 22
    Which of the following actions can help prevent malware infections?
    پاسخ دهید
    A
    B
    C
  • 23
    Which of the following is NOT a type of malware?
    پاسخ دهید
    (C)
    Firewall
  • 24
    What steps should you take to protect your online accounts?
    پاسخ دهید
    A
    B
    C
  • 25
    What is the purpose of a digital certificate?
    پاسخ دهید
    (B)
    To verify the identity of a website or user.
  • 26
    Which of the following is an example of social engineering?
    پاسخ دهید
    (B)
    Sending a phishing email
  • 27
    What is a URL?
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    (B)
    An address for accessing web resources.
  • 28
    What is the primary function of a proxy server?
    پاسخ دهید
    (B)
    To act as an intermediary between a client and a server.
  • 29
    What type of internet connection is usually considered most secure?
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    (C)
    Wired connection
  • 30
    What does the term 'malware' refer to?
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    (B)
    Malicious software designed to harm computer systems.
  • 31
    What is a common characteristic of a computer infected with a virus?
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    (B)
    Slow computer performance
  • 32
    What is the main function of a web browser?
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    (B)
    To access and display web pages.
  • 33
    What is the function of an ISP (Internet Service Provider)?
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    (B)
    To provide internet access to users.
  • 34
    What is a potential consequence of clicking on a suspicious link?
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    (B)
    You may download malware.
  • 35
    Why is it important to keep your software updated?
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    (B)
    To fix bugs and security vulnerabilities.
  • 36
    What are the potential risks associated with using a weak password?
    پاسخ دهید
    A
    C
  • 37
    Which of the following statements are correct regarding firewalls?
    پاسخ دهید
    (B)
    Firewalls allow a user to set rules for network traffic.
  • 38
    What is the primary purpose of the internet?
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    (B)
    To facilitate communication and information sharing globally.
  • 39
    Which of the following techniques can be used to carry out data interception on a Wi-Fi network?
    پاسخ دهید
    (B)
    Packet sniffing
  • 40
    What is the common feature of blockchain?
    پاسخ دهید
    A
    B
  • 41
    Which of the following are important for a strong password?
    پاسخ دهید
    A
    B
    D
  • 42
    What security measures can you take while using public Wi-Fi?
    پاسخ دهید
    A
    B
    C
  • 43
    What is the purpose of a 'CAPTCHA'?
    پاسخ دهید
    (B)
    To distinguish between human users and automated bots.
  • 44
    Which part of a URL comes after the domain name?
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    (B)
    The file path
  • 45
    Which of these is a characteristic of a worm?
    پاسخ دهید
    (B)
    Replicates itself without a host
  • 46
    What are the benefits of blockchain technology?
    پاسخ دهید
    A
    B
  • 47
    What is the main goal of a denial-of-service (DoS) attack?
    پاسخ دهید
    (B)
    To make a website or service unavailable.
  • 48
    Which component of a URL is usually followed by the domain name?
    پاسخ دهید
    (C)
    The protocol (e.g., http or https)
  • 49
    What is the primary function of a 'VPN' (Virtual Private Network)?
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    (B)
    To encrypt your internet traffic and mask your IP address.
  • 50
    When encountering a suspicious email, which action is the MOST important?
    پاسخ دهید
    (C)
    Verify the sender and the email's content for legitimacy.