UNIVERSITY EXAMINATIONS: 2011/2012
YEAR III EXAMINATION FOR THE BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY
BIT 4205 BIOMETRICS SYSTEM ENGINEERING
DATE: APRIL 2012 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One and Any other Two Questions
Question One
a) Describes four main attributes of a biometric (8 Marks)
b) Explain how genotypic and phenotypic characteristics differ in biometrics (4 Marks)
c) Discuss any four privacy issues raised regarding biometrics. (8 Marks)
d) In what regard are behavioral characteristics more vulnerable to changes (6 Marks)
e) Explain the four possible outcomes of biometrics as relating to identification or authentication
(4 Marks)
Question Two
a) Using a diagram illustrates the biometrics authentication process (5 Marks)
b) Describe three types of attacks that may affect biometric authentication system (9 Marks)
c) Explain any three reasons that make a biometric characteristic to vary over time (6 Marks)
Question Three
a) Discuss the measures that reflect the effectiveness of a biometric authentication system (8 Marks)
b) There is some key business and user convenience drivers for the implementation of biometric
systems however there are some disadvantages and concerns with the implementation of biometric
systems. Discuss these advantages and constraints (12 Marks)
Question Four
a) Discuss the benefits that arise when biometrics technology is combined with cryptography
(8 Marks)
b) Using an example distinguish between positive and negative identification (4 Marks)
c) Analyze the issues considered in the design of Multimodal Systems (8 Marks)
Question Five
a) Discuss any four common applications of biometric technology (12 Marks)
b) Explain the following biometric devices
i. Integrated Access Control and Time Attendance System (2 Marks)
ii. Personal Fingerprint Safes (2 Marks)
iii. Biometric Fingerprint Door Locks (2 Marks)
iv. State any four applications of OptiMouse (2 Marks)
