BIT 2302  E- COMMERCE II KCA Past Paper

UNIVERSITY EXAMINATIONS: 2010/2011
SECOND YEAR STAGE EXAMINATION FOR THE DEGREE OF BACHELOR
OF SCIENCE IN INFORMATION TECHNOLOGY
BIT 2302: E- COMMERCE II
DATE: AUGUST 2011 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and any other TWO questions

Question One
a) What is e-commerce (2 Marks)
b) Explain three (3) benefits of EC for each of the following groups:
i) organisations
ii) consumers (6 Marks)
c) How are the following three (3) types of EC different ? Give an example of each . G2C, G2B and
G2G (6 Marks)
d) What is a cookie? Explain why cookies can be a threat to the privacy of visitors to Web sites that
use them. (4 Marks)
e) List and describe the four (4) basic parts of encryption. (6 Marks)
f) List any three (3) attributes of m-commerce and explain the significance of each. (6 Marks)
Question Two
a) List and briefly explain the difference between Data mining and Web mining (6 Marks)
b) What is unique about Digital signatures and digital certificates? Elaborate (5 Marks)
c) One of the greatest challenges that business owners and clients constantly face is the security of
the website. Outline five ways to mitigate these security threats (10 Marks)
Question Three
a) What are the four major layers of the Internet architecture, and what is the order of these layers?
(8 Marks)
b) The architectural principle of layering is a key enabler of e-commerce : Discuss: (4 Marks)
c) Explain any four strategies that you can use to market your business over the internet (8 Marks)
Question Four
a) Briefly explain the following definition: E-Commerce is a Technology-mediated exchange between
parties as well as electronically-based intra- or inter-organizational activities that facilitate such
exchanges. ( 5 Marks)
b) How is above definition related to the Internet, intranets, and extranets? (6 Marks)
c) List three categories of E-commerce with an example of each. (6 Marks)
d) Identify two benefits of using electronic payment systems in a business (2 Marks)
Question Five
a) The growth of E-commerce has been hampered by uncertainity pertaining to law and Ethics. Write
a short extract on “E-commerce and Ethics, and E-commerce and Law” (20 Marks)

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