UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR THE DIPLOMA IN INFORMATION TECHNOLOGY
DIT 502: E-COMMERCE
FULLTIME/ PART TIME
DATE: NOVEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: QUESTION ONE IS COMPULSORY, CHOOSE TWO OTHER
QUESTIONS
QUESTION ONE (20 Marks) Compulsory
a) What is E-commerce? (2 Marks)
b) E-mail is routinely used in the e-commerce environment for customer notification and
confirmation and for marketing activities. Discuss the advantages of the use of E-mails
(5 Marks)
c) List and explain three critical factors to consider while implementing the use of
payment systems in E-commerce [3 Marks]
d) E-commerce has recently broadened to encompass business conducted over the internet.
Discuss the unique benefits of the internet in conducting business (4 Marks)
e) Explain how each of the following can be used in E-commerce applications
i. Search engines
ii. E-mail
iii. Shopping cart (6 Marks)
QUESTION TW0 (15 Marks)
a) Briefly explain the following infrastructural attacks:
i. Denial of service
ii. Worms (4 Marks)
b) In e-commerce, security usually involves security goals. State and briefly explain
(4 Marks)
c) Identify four factors limiting the implementation of e-commerce (4 Marks)
d) State and explain online payment systems (3 Marks)
QESTION THREE (15 Marks)
a) Describe the following standards for E-payments
i. SSL
ii. SET
iii. Digital signatures
iv. Digital certificates (8 Marks)
b) Explain any four ways of advertising online (4 Marks)
c) Briefly explain three impacts of E-commerce to the society (3 Marks)
QUESTION FOUR (15 Marks)
a) Using appropriate examples describe the following models of E-commerce
[6 Marks]
i. B2G
ii. B2C
iii. C2C
b) Outline 3 differences between E-commerce and traditional commerce [3 Marks]
c) State and explain three types of technical infrastructure that support e-commerce
[6 Marks]
