Computer Science for IGCSE & O level - The Internet And Its Uses (Section 6)

  • 1
    Which of the following is a common method used to carry out data interception on Wi-Fi networks?
    Odpověď
    (B)
    Packet sniffing.
  • 2
    Which of the following is the most common threat a user encounters while browsing the internet?
    Odpověď
    (C)
    A phishing email
  • 3
    Which of the following is/are true about session cookies?
    Odpověď
    B
    C
  • 4
    What are some common ways to protect yourself from malware?
    Odpověď
    A
    B
    C
  • 5
    What are the common features of a strong password?
    Odpověď
    A
    C
    D
  • 6
    Which of the following should you do to protect yourself against phishing attacks?
    Odpověď
    A
    B
    D
  • 7
    What is the purpose of a 'spoofing' attack?
    Odpověď
    (C)
    To impersonate a legitimate entity.
  • 8
    What is a common purpose of a keylogger?
    Odpověď
    (B)
    To record a user's keystrokes.
  • 9
    What type of network device usually sits behind a firewall?
    Odpověď
    (A)
    A router
  • 10
    What is a primary risk associated with using public Wi-Fi?
    Odpověď
    (C)
    Eavesdropping by malicious actors.
  • 11
    Which of the following is a common type of malware?
    Odpověď
    (C)
    Virus
  • 12
    What does the acronym 'DDoS' stand for?
    Odpověď
    (B)
    Distributed Denial of Service
  • 13
    What is the purpose of a digital certificate?
    Odpověď
    (B)
    To verify the identity of a website and establish a secure connection.
  • 14
    What is the function of a 'domain name server'?
    Odpověď
    (C)
    To translate domain names into IP addresses.
  • 15
    In the context of network security, what does the term 'spoofing' refer to?
    Odpověď
    (D)
    The act of impersonating a device or user.
  • 16
    What is the primary function of a 'Certificate Authority (CA)'?
    Odpověď
    (B)
    To issue and manage digital certificates.
  • 17
    How does a password manager typically enhance your online security?
    Odpověď
    (A)
    By generating and storing strong, unique passwords for your accounts.
  • 18
    Which technology allows for the creation and exchange of digital currency?
    Odpověď
    (C)
    Blockchain
  • 19
    What is the main goal of 'Spyware'?
    Odpověď
    (B)
    To secretly monitor a user's activity.
  • 20
    What is 'ransomware'?
    Odpověď
    (B)
    A form of malware that encrypts data and demands a ransom for its release.
  • 21
    What is a 'botnet'?
    Odpověď
    (B)
    A network of compromised computers controlled remotely.
  • 22
    What is the function of a DNS server?
    Odpověď
    (A)
    Converting domain names to IP addresses.
  • 23
    In the context of cybersecurity, what does 'authentication' mean?
    Odpověď
    (B)
    Verifying a user's identity.
  • 24
    Which of the following is an example of a 'cookie'?
    Odpověď
    (B)
    A small text file stored on a user's computer by a website.
  • 25
    What should you do if you lose your phone?
    Odpověď
    (B)
    Immediately contact your mobile carrier and report it lost or stolen.
  • 26
    What is the purpose of two-factor authentication?
    Odpověď
    (B)
    To verify a user's identity using two different pieces of evidence.
  • 27
    What is the purpose of SSL/TLS (Secure Sockets Layer/Transport Layer Security) in web browsing?
    Odpověď
    (B)
    To ensure secure communication between a user's browser and a web server
  • 28
    Which of the following characteristics contribute to a strong password?
    Odpověď
    A
    C
  • 29
    What task does a DNS server perform?
    Odpověď
    (B)
    Translates domain names into IP addresses.
  • 30
    What is the purpose of multi-factor authentication?
    Odpověď
    (B)
    To verify the user's identity with multiple methods
  • 31
    What are characteristics of a strong password?
    Odpověď
    B
    C
  • 32
    What should you do to keep your operating system secure?
    Odpověď
    A
    B
    C
  • 33
    What happens to a session cookie after the user closes the web browser?
    Odpověď
    (D)
    It is automatically deleted.
  • 34
    What is the primary function of a VPN?
    Odpověď
    (C)
    To encrypt your internet traffic and mask your IP address.
  • 35
    What does the World Wide Web (WWW) consist of?
    Odpověď
    (C)
    A system of interconnected multimedia pages.
  • 36
    What is a 'brute force' attack?
    Odpověď
    (B)
    An attack that attempts to access a system by trying a vast number of passwords.
  • 37
    Which of the following is a characteristic of a strong password?
    Odpověď
    (D)
    It includes a mix of upper and lowercase letters, numbers, and symbols.
  • 38
    What is the main role of a DNS server?
    Odpověď
    (B)
    To translate domain names into IP addresses.
  • 39
    What is the role of an IP address?
    Odpověď
    (A)
    To identify the specific location of a website's content.
  • 40
    Which of the following is NOT a method of social engineering?
    Odpověď
    (D)
    Encryption
  • 41
    What does the 'handshake protocol' in TLS do?
    Odpověď
    (C)
    It authenticates the server and client and establishes a secure connection.
  • 42
    Which of the following is a characteristic of a Distributed Denial of Service (DDoS) attack?
    Odpověď
    (B)
    It uses many compromised computers.
  • 43
    What is meant by the term 'HTML'?
    Odpověď
    (B)
    Hypertext Markup Language
  • 44
    What does HTTPS use to secure data transmission?
    Odpověď
    (C)
    Encryption.
  • 45
    Which of the following are essential for strong password construction?
    Odpověď
    A
    B
    D
  • 46
    What is the primary risk associated with connecting to an unsecured Wi-Fi network?
    Odpověď
    (B)
    Risk of data interception.
  • 47
    Which of the following is a recommended practice for password management?
    Odpověď
    (C)
    Creating unique, strong passwords for each account.
  • 48
    What is the best way to protect your computer from malware?
    Odpověď
    (B)
    Regularly update your operating system and software.
  • 49
    What is the best way to avoid a malware infection?
    Odpověď
    (C)
    Keeping your software up to date.
  • 50
    What type of program can be used to intercept and monitor data transmitted over a network?
    Odpověď
    (B)
    A packet sniffer