(2) Attempt any four questions from the remaining questions.
Q.1 Attempt The Following Questions: (20 Marks)
(A) What is E-commerce? Explain types of E-Commerce. Write its advantages and disadvantages.
(B) What is Cryptography? Explain Symmetric and Asymmetric Cryptography.
Q.2 Attempt The Following Questions: (20 Marks)
(A) Explain Trade Cycle and EDI.
(B) Explain Digital Signature and Hashing Technique in detail.
Q.3 Attempt The Following Questions: (20 Marks)
(A) Explain Network Topologies in detail.
(B) Write notes on VSAT.
(C) Write notes on Communication Media.
Q.4 Attempt The Following Questions: (20 Marks)
(A) Explain SET and working of SET.
(B) Write notes on VeriSign.
(C) Explain Digicash with its features.
Q.5 Attempt The Following Questions: (20 Marks)
(A) Explain PGP in detail with its working.
(B) Explain X.400 MHS system.
(C) Write notes on IP Address.
Q.6 Attempt The Following Questions: (20 Marks)
(A) Explain E-Market and Internet Market in detail.
(B) Write notes on SSL.
(C) Write notes on OSI Layer.
Q.7 Attempt The Following Questions: (20 Marks)
(A) TELNET
(B) FTP
(C) DNS
(D) Legal issues of E-Commerce
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