What is 'biometric authentication'? MCQ with Answer and Explanation

What is 'biometric authentication'?
A. Using a one-time password
B. Using a password to log in
C. Using a security token
D. Using physical characteristics like fingerprints or facial recognition for identity verification
Answer: Option D
Solution (By JKExamLibrary)
Biometric authentication uses unique physical characteristics, such as fingerprints, iris patterns, or facial features, to verify a user's identity.

This question belongs to: Computer Cyber Security

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What is the purpose of a vulnerability assessment?
A. To identify and quantify security vulnerabilities in a system
B. To fix all security issues
C. To monitor network traffic
D. To install security patches

Correct Answer: Option A


Explanation:
A vulnerability assessment is a process that identifies, quantifies, and prioritizes vulnerabilities in a system, providing a basis for remediation.

This question belongs to: Computer Cyber Security
Question #2 Report Error
Which of the following is a method to protect data at rest?
A. Firewall
B. Antivirus software
C. Encryption
D. Intrusion detection system

Correct Answer: Option C


Explanation:
Encryption is the primary method to protect data at rest, ensuring that even if storage media is compromised, the data remains unreadable without the decryption key.

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What type of attack modifies a server’s DNS cache to silently redirect users to a fraudulent banking website, even when they type the correct web domain?
A. Vishing Exploitation
B. Spear Phishing Scam
C. Pharming Attack / DNS Spoofing
D. Smishing Notification

Correct Answer: Option C


Explanation:
Pharming compromises DNS lookup records to seamlessly reroute traffic to spoofed destinations, harvesting credentials even from users who input valid URLs.

This question belongs to: Computer Cyber Security