Computer Science for IGCSE & O level - The Internet And Its Uses (Section 14)

  • 1
    What is the purpose of cookies?
    Cevap
    (C)
    To store information about a user's browsing activity.
  • 2
    What is a key characteristic of a DDoS attack?
    Cevap
    (C)
    It aims to make a server unavailable.
  • 3
    Which of the following is a potential risk associated with using free Wi-Fi?
    Cevap
    (C)
    Data interception by hackers.
  • 4
    Which of the following is a function of a cookie?
    Cevap
    A
    C
  • 5
    Why is it important to keep your software, including your operating system, updated?
    Cevap
    (C)
    To fix security vulnerabilities and bugs.
  • 6
    What is the primary purpose of a keylogger?
    Cevap
    (B)
    To record everything typed on a keyboard.
  • 7
    Which type of malware disguises itself as legitimate software?
    Cevap
    (C)
    Trojan Horse
  • 8
    What is a 'domain name'?
    Cevap
    (A)
    The unique address of a website
  • 9
    What does the lock icon in the address bar of a web browser indicate?
    Cevap
    (A)
    That the website has a secure connection using SSL
  • 10
    Which of the following is a sign of a potentially phishing email?
    Cevap
    (C)
    A request for personal information.
  • 11
    What is the function of a 'firewall' in the context of cyber security?
    Cevap
    (B)
    To protect a network from unauthorized access.
  • 12
    Which type of data is usually stored in the blockchain?
    Cevap
    A
    D
  • 13
    What is the main purpose of a Distributed Denial of Service (DDoS) attack?
    Cevap
    (B)
    To disrupt network services
  • 14
    Which part of a URL identifies the specific location of a resource on a web server?
    Cevap
    (C)
    The file path
  • 15
    What is the role of a web server?
    Cevap
    (B)
    To store, process and deliver web pages to users.
  • 16
    What is the meaning of a URL?
    Cevap
    (A)
    Uniform Resource Locator (the address of a website).
  • 17
    What is the function of a session cookie?
    Cevap
    (C)
    To maintain a user's login session.
  • 18
    In the context of the internet, what does the term 'protocol' refer to?
    Cevap
    (B)
    A set of rules and standards for communication.
  • 19
    Which of the following is an example of social engineering?
    Cevap
    (B)
    A phishing email
  • 20
    What are the potential problems identified in a phishing email?
    Cevap
    A
    B
    C
    D
  • 21
    What does the term 'spoofing' refer to in the context of cybersecurity?
    Cevap
    (B)
    Falsifying the identity of a user or device.
  • 22
    What is the purpose of HTTPS (Hypertext Transfer Protocol Secure)?
    Cevap
    (B)
    To encrypt data transmitted between a web browser and a server.
  • 23
    What is 'two-factor authentication' (2FA) designed to do?
    Cevap
    (C)
    Add an extra layer of security to your accounts.
  • 24
    What is the primary function of JavaScript in a web page?
    Cevap
    (C)
    To make a web page interactive.
  • 25
    Which protocol is typically used for secure communication over the internet?
    Cevap
    (C)
    HTTPS
  • 26
    What features do persistent cookies have?
    Cevap
    A
    C
    D
  • 27
    In a URL, what does the 'www' typically indicate?
    Cevap
    (B)
    The website's host name
  • 28
    What is the primary goal of a 'ransomware' attack?
    Cevap
    (C)
    To encrypt a user's data and demand payment for its release.
  • 29
    Which of the following is a good security practice when using public Wi-Fi?
    Cevap
    (B)
    Using a VPN
  • 30
    What is 'social engineering'?
    Cevap
    (B)
    Manipulating people into divulging confidential information.
  • 31
    What is the main purpose of a web browser's cache?
    Cevap
    (B)
    To store frequently accessed webpage data to load them more quickly.
  • 32
    What can you do to protect yourself from a phishing attack?
    Cevap
    (C)
    Check the sender's email address
  • 33
    What is a common technique used in phishing attacks?
    Cevap
    (C)
    Creating fake websites that look like real ones.
  • 34
    What is the role of 'data interdiction' in the context of cyber security?
    Cevap
    (D)
    All of these
  • 35
    What type of software allows users to access and view web pages?
    Cevap
    (B)
    A web browser
  • 36
    What is the meaning of 'URL'?
    Cevap
    (B)
    Universal Resource Locator
  • 37
    What is the purpose of a 'phishing' attack?
    Cevap
    (B)
    To trick users into revealing sensitive information.
  • 38
    Which of these is NOT a common feature of a password manager?
    Cevap
    (D)
    Sharing passwords with anyone without restriction.
  • 39
    What is the purpose of a CAPTCHA?
    Cevap
    (B)
    To distinguish between human users and bots.
  • 40
    What is the definition of 'spam'?
    Cevap
    (B)
    Unsolicited electronic messages, often sent in bulk.
  • 41
    Which of the following is a sign of possible malware infection?
    Cevap
    (D)
    All of the above.
  • 42
    What does the abbreviation 'ISP' stand for?
    Cevap
    (C)
    Internet Service Provider.
  • 43
    What does HTTP stand for?
    Cevap
    (A)
    HyperText Transfer Protocol
  • 44
    What is a common goal of a phishing attack?
    Cevap
    (B)
    To steal user credentials.
  • 45
    What does DDoS stand for?
    Cevap
    (A)
    Distributed Denial-of-Service
  • 46
    What is the role of a 'cookie' in web browsing?
    Cevap
    (C)
    To store information about a user's browsing activity.
  • 47
    What type of malware is designed to secretly gather information about a user?
    Cevap
    (C)
    Spyware
  • 48
    Which of the following is an example of two-factor authentication?
    Cevap
    (C)
    A password and a code sent to your phone.
  • 49
    What is the main characteristic of a Blockchain?
    Cevap
    (B)
    Tamper-proof and immutable data storage
  • 50
    What is the function of a 'search engine'?
    Cevap
    (C)
    To locate information on the internet based on user queries