UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DEGREE OF MASTER OF SCIENCE IN
INFORMATION SYSTEMS MANAGEMENT
MISM5201 DATABASE INTEGRATION AND E-COMMERCE
DATE: AUGUST, 2019 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE [20 MARKS]
a) Discuss any THREE solutions for integrating data. (6 Marks)
b) Explain the FOUR key categories of transactions that lead to information processing in ecommerce. (4 Marks)
c) Discuss any THREE e-governance models. (3 Marks)
d) Demonstrate a typical trade cycle involved in e-commerce and discuss how and why such a
cycle might vary. (4 Marks)
e) Discuss the role of multimedia storage servers for e-commerce. (3 Marks)
QUESTION TWO [15 MARKS]
a) Information brokerage and management layer provides service integration through the notion
of information brokers, the development of which is necessitated by the increasing
information resource fragmentation.
Explain in detail how information brokers work and give a real operational example.
b) Describe the architecture of EDI. (4 Marks)
c) Middleware services are e-commerce services that provide transparency, transaction security
and management, and the management of distributed objects and services. Discuss.
QUESTION THREE [15 MARKS]
a) Explain how virtual data integration works. Also draw a simple diagram to illustrate.
b) Discuss the challenges involved in virtual data integration. (5 Marks)
c) Distinguish between connected and disconnected digital tokens. (4 Marks)
QUESTION FOUR [15 MARKS]
Write notes on data marts with particular attention to the following:
a) Types of data marts
b) Benefits and challenges of implementing data marts
c) State of the art in data marts and examples of case studies. (15 Marks)