UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DEGREE OF MASTER OF SCIENCE IN
INFORMATION SYSTEMS MANAGEMENT
MISM 5201: 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.
Required:
Explain in detail how information brokers work and give a real operational example.
(5 Marks)
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.
(6 Marks)
QUESTION THREE [15 MARKS]
a) Explain how virtual data integration works. Also draw a simple diagram to illustrate.
(6 Marks)
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)
