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

Questions asked in this paper

1. Q1 Attempt ave of the 10 marks
   • a. and explain different types of criminal attacks, Give example of each one
   • b. with example different approaches to implement security model Write a short note on phishing
   • d. any two substitution techniques,
2. Q2 Attempt amy of the 10 marks
   • a. How subkey is generated for rounds of IDEA
   • b. different cryptography algorithm types. Explain with example
   • d. the working of RC4 algorithm,
3. Q3 Attempt of the following: 10 marks
   • a. Write a short note on digital signature
   • b. What is message authentication code? Write down disadvantages of hash-based
   • c. between symmetric and asymmetric key cryptography Write down difference between MDS and SHA-1
4. Q4 Attempt of the following: 10 marks
   • a. How digital certificate is created b, and explain PKIX services
   • c. What is the need of self-signed certificate needed?
   • d. different mechanism for protecting private keys
5. Q5 Attempt any of the following: 10 marks
   • a. different email security protocols. Explain any one in detail
   • b. Write a short note on electronic money
   • d. What is firewall? Explain different types of firewall
6. Q6 Attempt any two of the 10 marks
   • a. How does Kerberos work?
   • b. What is authentication token? Explaia how it works. Also list different types of any one security handshake
   • d. the working of clear text password,
7. Q7 Attempt any three of the following: “is
   • a. What is virus? Write various phases of virus
   • b. Explain Output Feedback algorithm mode
   • c. Explain how MD5 works
   • d. Write down the difference between online certificate revocation status checks and
   • e. Differentiate between SSL and PLS
   • f. Write a short note on smart cards

Read from the scan above, so a character or two may differ. The scan is the original.