MC 1622 — ELECTRONIC COMMERCE JUNE 2009

M.C.A. DEGREE EXAMINATION, MAY/JUNE 2009
MC 1622 — ELECTRONIC COMMERCE
(Regulation 2005)

PART A

1. Give an example situation where e commerce is not preferable.
2. What are the significant issues in implementing electronic commerce in an organization?
3. Sketch the role of Hubs for e-commerce present in the network?
4. Define and differentiate public and private key cryptography.
5. Give some examples of malicious data and their implications in ecommerce.
6. List any four risks involved in Electronic Payment Systems and suggest solutions.
7. List the participants of credit card based environment.
8. What are the characteristics of virtual transaction process?
9. Enumerate any four characteristics of client server architecture that are appropriate for the E-Commerce environment.
10. What are the disadvantages of e-cash?

PART B — (5 x 16.: 80 marks)

11. (a) (i) What are the benefits of e-commerce to consumers? (8)
(ii) What is the advantage of using Web Services in e commerce?
or
(b) (i) Discuss the E-commerce Architecture and its components in detail with the help of a diagram. (8)
(ii) Discuss briefly the entities which may participate in a B2B e-commerce transaction. (8)
12. (a) (i) Explain DES algorithm. . (12)
(ii) Distinguish between. (4)
(1) Authentication and non repudiation.
(2) Digital Signature and Digital Certificates.
Or
(b) Write short notes on :
(i) Trusted key distributions and verification. (8)
(ii) Internet security holes and cryptography. (4 + 4)
13. (a) What do you understand by Electronic Funds 'Transfer? Explain the
Digital currencies and payment system options for today`s
e-commerce. (16)
Or
(b) Explain the following security protocols
(i) SSL. ‘ (8)
(ii) Kerberos. (8)
14. (a) A new start-up company proposes to develop an electronic wallet,
a device that can hold electronic money, data, credit card numbers etc.
Such a device might, for example be included in a mobile phone.
(i) Explain functions and features to be implemented introduction of
such a device.
(ii) Sketch out the processing and infrastructure like account setup,
costs that would be needed to support such a device.
(iii) Would such a device increase the overall security of a transaction?
justify your answer.
Or
(b) Write short notes on :
(i) Cyber cash. (8)
(ii) Virtual Internet payment systems. (8)
15. (a) What is EDI? Explain the legal, security, privacy issues in EDI. (I6)
Or
(b) Compare and explain the services offered by Microsoft Internet Server,
Netscape commerce as servers in e-commerce market? (16)