Question

A. Briefly describe the autentication based on biometrics using four examples of biometric authentication technologies

B. Briefly describe the advantages and disadvantages of biometric system (4 marks)

Answer 1

A. Biometric authentication is a kind of authentication process for security which works on basis of certain unique biological characteristics of a person. It verifies the biological characteristics with existing record to verify who the person is. These methods are used for granting access to a physical or virtual resource or to an are or zone depending upon verification result.

Examples of biometric authentication technologies,

• Face Recognition systems
• Eyes -Retina recognition
• Fingerprint recognition
• Voice speak recognition

B. The advantages of biometric system are,

• Improves the security
• Reduces the operational costs
• Not lost once feeded to system

The disadvantages of biometric system are,

• Sometimes not full accurate
• Environment may affect the value temporarily sometime
• requires installation of additional costly hardware