NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF MANAGEMENT SCIENCES
JUNE 2013 EXAMINATION

COURSE CODE: MBF 841                                      

COURSE UNITS: 2

COURSE TITLE: EMERGING TECHNOLOGIES IN INFORMATION

TECHNOLOGY          

TIME ALLOWED:

Instructions:            1. Attempt question Number one (1) and any other two (2).

2. Question number 1 is compulsory and carries 30 marks, while the other questions carry equal marks each

                        3Prresent all your points in coherent and orderly manner

QUESTION 1

A:         What are digital and electronic signatures?          10marks

B:         Briefly describe the hierarchy of attack result in digital signature security.5marks

C:         Explain the benefit of applying digital signature in communication.10marks

D:        Explain, giving relevant example the term multimedia?5marks

QUESTION 2

A          As an Information Technologist, what do you understand by the term BLENDED LEARNING?5marks

B.         What is the difference between Blended learning and e-learning?5marks

C          As an administrator/lecturer, what are the benefits of Blended learning?10marks

QUESTION 3

A:  Define the term Video Conferencing.5 marks

B: what are the components that comprise video conferencing.  5 marks

C: List and explain the various differences between video and web conferencing. 10marks

QUESTION 4

A:  Elaborate what you understand by the term VOIP?10marks

B: Identify 5 challenges facing VoIP. 5marks

C: Discuss briefly the quality of VoIP services.5marks

QUESTION 5

A:  Define the term electronic fund transfer and it usage. 10 marks

B: Describe briefly the process of bank wire transfer, given relevant example. 10marks