Cyber Security Multiple Choice Questions (MCQs) and Answers

Q1 What is the primary goal of cyber security?

Q2 Which of the following is not considered a key objective of cyber security?

Q3 What does the term "attack surface" in cyber security refer to?

Q4 Which of the following can be classified as a cyber security threat?

Q5 Which of the following best describes the principle of least privilege in cyber security?

Q6 What does "CIA triad" stand for in cyber security?

Q7 Which of the following tools is commonly used to scan a network for vulnerabilities?

Q8 Which command-line tool is used to view active network connections on a Linux system?

Q9 A user receives an email from an unknown source asking for sensitive information. What is this type of attack called?

Q10 Which cryptographic technique uses the same key for both encryption and decryption?

Q11 Which cryptographic method uses a pair of public and private keys?

Q12 What is the primary purpose of a digital signature in cryptography?

Q13 Which of the following is an example of a block cipher algorithm?

Q14 What is the role of hashing in cryptography?

Q15 Which of the following is the primary security risk of using outdated cryptographic algorithms?

Q16 Which of the following is a common tool used to generate cryptographic keys?

Q17 In which programming language would you typically use the cryptographic library PyCryptodome to implement encryption?

Q18 A company’s encrypted communication is suddenly decipherable by a third party. What is the most likely cause?

Q19 Which of the following protocols is primarily used to secure communication over the internet?

Q20 What is the main function of the HTTPS protocol?

Q21 Which of the following is a security protocol specifically designed to provide VPN (Virtual Private Network) services?

Q22 Which protocol is commonly used to secure email communication?

Q23 What is the primary difference between SSL and TLS?

Q24 Which version of SSL is known to have severe vulnerabilities and should not be used?

Q25 Which security protocol provides end-to-end encryption in modern web browsers, ensuring the confidentiality of web sessions?

Q26 Which command can be used to generate an SSL certificate using OpenSSL?

Q27 What is the correct command to verify an SSL certificate using OpenSSL?

Q28 How can you check if a specific website is using HTTPS in a browser's developer tools?

Q29 A user is receiving warnings that a website’s SSL certificate is expired. What is the immediate solution for the website administrator?

Q30 An organization’s VPN connection is dropping frequently during peak hours. What could be the most likely cause?