Which of the following is a method to prevent unauthorized access to a system? MCQ with Answer and Explanation

Which of the following is a method to prevent unauthorized access to a system?
A. Multi-factor authentication
B. Disabling firewalls
C. Using default passwords
D. Sharing login credentials
Answer: Option A
Solution (By JKExamLibrary)
Multi-factor authentication requires users to provide multiple forms of verification, significantly reducing the risk of unauthorized access even if one factor is compromised.

This question belongs to: Computer Cyber Security

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Cyber Security Questions

Question #1 Report Error
Which of the following is a form of cyber attack that involves stealing sensitive data from a system?
A. Man-in-the-middle
B. Phishing
C. Denial-of-service
D. Data breach

Correct Answer: Option D


Explanation:
A data breach is a security incident where sensitive, protected, or confidential data is accessed or stolen without authorization.

This question belongs to: Computer Cyber Security
Question #2 Report Error
Which type of malicious software hides inside a seemingly legitimate utility or software application, only to execute its malicious payload once installed by an unsuspecting user?
A. Spyware
B. Trojan Horse
C. Computer Worm
D. Ransomware

Correct Answer: Option B


Explanation:
A Trojan Horse masquerades as safe, benign software to trick users into running it, but contains hidden malicious code designed to compromise system security.

This question belongs to: Computer Cyber Security
Question #3 Report Error
Which of the following is a type of cyber attack that involves intercepting and altering communications between two parties?
A. Denial-of-service
B. Phishing
C. SQL injection
D. Man-in-the-middle (MITM)

Correct Answer: Option D


Explanation:
In a man-in-the-middle attack, the attacker secretly intercepts and possibly alters the communication between two parties who believe they are directly communicating with each other.

This question belongs to: Computer Cyber Security