BSc IT Sem 5 Network Security Question Paper PDF 2026 - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any two of the following: Explain with example different approach Encrypt the message ‘Come Home T es to Implement security model Explain how attackers misuse to
   • q. possibilities of attacks when collect important message into its corresponding cipher of a message encrypts the plain text any two of the following: 10 a, different types of cryptography algorithm in wi
   • b. steps in various rounds of “AES Explain su key generation process of blowfish algori am
   • d. Explain double DES algorithm
2. Q3 Attempt any two of the following: a How is RSA is used in digital signatures? xplain b, Explain the working of secure hash Explain the working of HMAC d, Explain Elipitic Curve Cryptography and EIGamal 4, Attempt any two of the 10 10 marks
   • a. Describe of the various fields digital certificate
   • b. How is digital certificate is verified? Explain Why do we trust digital ificate?
   • d. List and explain public cryptography standards 5, Attempt amy two following: 10
   • a. Explain the protocol b, Explain the Electronic Transaction process
   • c. With neat write the internal operations of. 3-D secure protocol
   • d. List the different firewall configurations. Explain any two
3. Q6 Atte two of the following: 10 marks
   • a. clear text password work? What are the problems with it?
   • b. e a short note on key distribution center the working of how challenge/response tokens What are the One-way authentication approaches? Explain any two
4. Q7 any three of the Is a short note on phishing. d of international ‘data
   • b. Explain subkey generation process of each
   • c. Explain with a neat diagram the man-in-middle attack
   • d. is a self-signed certificate
   • e. Explain the working of how pretty good privacy
   • f. How does certificate-based authentication work? Explain

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