Sikkim-Manipal University of Health Medical and Technological Sciences (SMUHMTS) 2008 M.C.A Computer S.M.UAssignment s . -paper13

MC0025 - 01
Marks- 30
BASICS OF E-COMMERCE (SECURED E-COMMERCE TRANSACTIONS)
BKID: 1. B0035 2. B0045


BKID: 1. B0035 2. B0045
1) Discuss the following: five marks
• Parts of E-commerce
• Issues in E-commerce
• Applications of E-commerce
2) Explain OSI Layer Model with respect to subsequent components:
• Mention the names of all Layers five marks
• Functionality of every layer
• Protocols used in every layer
3) Define Encryption. discuss symmetric and asymmetric encryption techniques with suitable diagrams five marks
4) Write short notes on: five marks
• JEPI
• SET
• Online Catalog
• Pilot catalog
5) Throw a few light on concepts of: five marks
• EDI
• Smart Cards
• Software Agents
6) Expand these abbreviations & describe them in a single sentence:
ISP, HTTP, FTP, MIME, HTML & HTTPS five marks

MC0025 - 02
Marks- 30
BASICS OF E-COMMERCE (SECURED E-COMMERCE TRANSACTIONS)
BKID: 1. B0035 2. B0045
1. Define Cipher text. Distinguish ranging from Block-Cipher and Stream-Cipher with suitable diagrams (5) marks
2. Name important cryptographic algorithms and define them in brief.
(5) marks
3. Bring out the salient features of subsequent attacks (5) marks
• IP spoofing
• Denial of service attack (DOS)
4. List out important steps in RSA algorithm and mention what is the key difference ranging from DES algorithm & RSA algorithm. (5) marks
5. Taking an example account number and PIN key illustrate how ATM encryption is implemented? Also provide a simple example of ATM frauds takes place. (5) marks
6. Write notes on: (5) marks
• Random key Generators ( random seeding)
• Pseudo-Random Generators

Earning:   Approval pending.