MCA-23
December Examination 2017
MCA IIIrd year Examination
Electronic Commerce
Paper MCA-23
Time 3 Hours Max. Marks 80
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 8 × 2 16
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
What do you mean by E-cycle?
What is the Hacking?
What is the meaning of Web Promotion?
What is Electronic cash?
What do you understand by security threats?
What is paperless bill?
Write any two benefits of digital signature?
(viii) What is Intranet?
810
MCA-23 200 2 (P.T.O.)
MCA-23 200 2
810
Section B 4 × 8 32
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 8 marks.
Discuss the use of service centre.
Write about cyber laws in India?
Discuss concept of Intranet and Extranet.
Write about EDI Application in business.
Discuss symmetric and asymmetric encryption.
Describe software packages for privacy.
Describe functioning of Virtual Private Network.
Explain reasons and benefits of building a website?
Section C 2 × 16 32
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
16 marks.
10) Describe Encryption and Decryption Techniques.
11) Explain the working of Electronic cash and use of paperless
bill.
12) Write a short note on:
a. Public and private pair key for encryption.
b. Import-Export facilitates.
13) Explain the factors for design a firewall.