51. What is a threat in computer security?
a. Any potential danger that can exploit a vulnerability in a computer system or network.
b. A person who attempts to gain unauthorized access to a computer system or network.
c. A type of computer virus.
d. None of the above.
52. What is a vulnerability in computer security?
a. A weakness in a computer system or network that can be exploited by a threat.
b. A type of computer virus.
c. A security feature that prevents unauthorized access to a computer system or network.
d. None of the above.
53. What is a risk in computer security?
a. The likelihood of a threat exploiting a vulnerability and causing harm to a computer system or network.
b. A type of computer virus.
c. A security feature that prevents unauthorized access to a computer system or network.
d. None of the above.
54. What is a firewall in computer security?
a. A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
b. A type of computer virus.
c. A security feature that prevents unauthorized access to a computer system or network.
d. None of the above.
55. What is antivirus software?
a. A type of computer program that is designed to prevent, detect, and remove malicious software from a computer system or network.
b. A type of computer hardware.
c. A type of computer software that helps improve performance.
d. None of the above.
56. What is encryption in computer security?
a. The process of converting plaintext into ciphertext to protect data from unauthorized access.
b. The process of converting ciphertext into plaintext to make data readable.
c. The process of copying data from one system to another.
d. None of the above.
57. What is a password?
a. A string of characters used to authenticate a user’s identity and grant access to a computer system or network.
b. A type of computer hardware.
c. A type of computer software that helps improve performance.
d. None of the above.
58. What is a passphrase?
a. A series of words or characters used to authenticate a user’s identity and grant access to a computer system or network.
b. A type of computer hardware.
c. A type of computer software that helps improve performance.
d. None of the above.
59. What is a brute force attack?
a. A type of attack in which an attacker uses automated tools to try every possible combination of characters to guess a password or encryption key.
b. A type of computer hardware.
c. A type of computer software that helps improve performance.
d. None of the above.
60. What is phishing?
a. A type of social engineering attack in which an attacker sends a fraudulent email or message to trick a user into disclosing sensitive information or clicking on a malicious link.
b. A type of computer hardware.
c. A type of computer software that helps improve performance.
d. None of the above.
