(a) Identify three different biometric methods... | Information and Communication Technology (9-1) 0983 | Paper 1 Mock 21 | Theory

Question 1 Report

(a) Identify three different biometric methods that can be used for authentication. [3]

(b) Explain one advantage and one disadvantage of using biometric authentication compared to passwords. [3]

Answer

Answer Details

(a) Three biometric methods that can be used for authentication:

(b) One advantage and one disadvantage of biometric authentication compared to passwords:

Advantage: Biometric data is unique to each individual and cannot be forgotten, lost or easily shared, unlike a password. [1] This makes it more secure for verifying identity, because the person must be physically present to authenticate. [1]
Disadvantage: If biometric data is compromised (for example, stolen from a database), it cannot be changed or reset, unlike a password which can simply be updated. This means a single breach could permanently undermine that form of authentication. [1]

(a) Identify three different biometric methods that can be used for authentication. [3] (b) Explain one advantage and one disadvantage of using biometric au...