Cyber Security MCQs with Answers: Boost Your Knowledge

Aspiring for a cyber security role demands a thorough assessment of your skills and knowledge. Our curated list of Multiple Choice Questions (MCQs) provides an essential self-assessment tool crucial for aspiring professionals like yourself.

However, we understand that navigating this journey alone can be overwhelming. Before pursuing opportunities with any top-tier company, it’s crucial to familiarize yourself with their interview patterns and the types of questions you may encounter.

We suggest you look at our Security Engineering Interview Masterclass, where our instructors from top-tier companies will guide you on how to crack the challenging interviews and get the job at your dream company.

These instructors have years of hiring experience and you can leverage this experience to get through it.

Also, know what type of questions are asked at interviews around security. These also include MITM attacks; what makes encryption techniques tough to crack, avalanche effect, hash collision, and so on.

You will also learn how can you authenticate a user who is accessing your system? Furthermore, in-depth working of Kerberos, SAML, OAUTH 2.0, JSON Web Token and PKI(Public Key Infrastructure).

Cyber Security MCQs with Answers

You will find interview questions on cyber security and cybersecurity fundamentals. that will help you gain a better understanding of security and may appear as information security questions in your forthcoming cyber security interviews.

Q1. A domain name is translated by DNS into__?

1. URL
2. Binary
3. Hex
4. IP

Answer: D. IP

Q2. Which, among these, is a kind of independent, malicious program that never needs any host program?

1. Virus
2. Worm
3. Trap door
4. Trojan horse

Answer: B. Worm

Q3. Which, among the following options, is opposite to the open design principle?

1. 1. 1. Least privileges
      2. Least common mechanism
      3. Security through obscurity
      4. Work factor

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Answer: C. Security through obscurity

Q4. Which among the following statements is true in regard to the Trojans?

1. 1. 1. Trojans do nothing harmful to the computer system of the user
      2. Trojans replicate or clone themselves through infections
      3. Trojans perform tasks for which they are programmed or designed
      4. None of the above

Answer:  C. Trojans perform tasks for which they are programmed or designed

Q5. Which of the following malware does not clone or replicate itself through infection?

1. 1. 1. Trojans
      2. Worms
      3. Viruses
      4. Rootkits

Answer: A. Trojans

Q6. The full form of CHAP is

1. 1. 1. Circuit Handshake Authentication Protocols
      2. Challenge Hardware Authentication Protocol
      3. Challenge Handshake Authentication Protocol
      4. Circuit Hardware Authentication Protocols

Answer: C. Challenge Handshake Authentication Protocol

Q7. Which type of text is transformed with the cipher algorithm’s help?

1. 1. 1. Scalar text
      2. Plain text
      3. Complex text
      4. Transformed text

Answer: B. Plain text

Q8. According to which of the following principles is it more desirable to rescore the details of intrusion instead of adopting more efficient measures to avoid it?

1. 1. 1. Psychological acceptability
      2. Work factor
      3. Least common mechanism
      4. Compromise recording

Answer: D. Compromise recording

Q9. Among the following principles of cyber security restrictions on how privileges are initiated when a subject or an object is created.

1. 1. 1. Open design
      2. Fail-safe defaults
      3. Least privilege
      4. None of the above

Answer: B. Fail-safe defaults

Q10. Which, among the following principles of cyber security, explain that the security mechanism must be as simple and small as possible?

1. 1. 1. Least privilege
      2. Economy of the mechanism
      3. Open design
      4. Fail-safe defaults

Answer: B. Economy of the mechanism

Q11. Which is the world’s first antivirus program?

1. 1. 1. Tinkered
      2. Reaper
      3. Creeper
      4. Ray Tomlinson

Answer: B. Reaper

Q12. In which year was the first computer virus created?

1. 1. 1. 1972
      2. 1971
      3. 1970
      4. 1969

Answer: C. 1970

Q13. The encryption techniques in computer networks are basically used for improving the_______.

1. 1. 1. Performance
      2. Longevity
      3. Security
      4. Reliability

Answer: C. Security

Q14. Which among the following factors of the network is highly impacted whenever the number of users exceeds the limits of the network?

1. 1. 1. Security
      2. Longevity
      3. Performance
      4. Reliability

Answer: C. Performance

Q15. What is measured by the transit time and response time of a network?

1. 1. 1. Reliability
      2. Performance
      3. Longevity
      4. Security

Answer: B. Performance

Q16. Which of the following protocols is widely used in wifi security?

1. 1. 1. WPS
      2. WPA2
      3. WPA
      4. Both A and C

Answer: B. WPA2

Q17. The hackers usually use computer viruses for?

1. 1. 1. To correct the data stored in the user’s computer system
      2. To gain access to sensitive information of the user like passwords and ID
      3. Tu monitor every stroke of the user
      4. All of the above

Answer: All of the above

Q18. Which among the following is also considered malicious software?

1. 1. 1. Maliciousware
      2. Illegalware
      3. Badware
      4. Malware

Answer: D. Malware

Q19. Which among the following are considered as the elements of cyber security?

1. 1. 1. Operational security
      2. Network security
      3. Application security
      4. All of the above

Answer: D. All of the above

Q20. Code red is a kind of ______.

1. 1. 1. A computer virus
      2. A photo editing software
      3. Video editing software
      4. An antivirus program

Answer: A. A computer virus

Q21. Which is the first computer virus?

1. 1. 1. Sasser
      2. Blaster
      3. Creeper
      4. Both A and C

Answer: C. Creeper

Q22. Which is the most crucial activity in system hacking?

1. 1. 1. Information gathering
      2. Covering tracks
      3. Cracking passwords
      4. None of the above

Answer: C. Cracking Passwords

Q23. Which amongst the following is not a kind of scanning?

1. 1. 1. Xmas Tree Scan
      2. Cloud scan
      3. Null Scan
      4. SYN Stealth

Answer: B.Cloud Scan

Q24. In the process of wifi hacking, which of the following is most commonly used?

1. 1. 1. Aircrack-ng
      2. Wireshark
      3. Norton
      4. All of the above

Answer: A. Aircrack-ng

Q25. Which of the following is a class of computer threats?

1. 1. 1. Dos Attack
      2. Phishing
      3. Soliciting
      4. Both A and C

Answer: A. Dos Attack

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