B.Sc. (Information Technology) Sem VI October 2025 Information Security Question Paper - Mumbai University | munotes

Questions asked in this paper

SECTION I - 1. (Attempt any three of the following) 15 Marks

1. a. Describe the CIA triad model and explain its fundamentals.
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2. b. Define a computer virus and discuss its different types in detail.
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3. c. Why is protecting information important? Provide an explanation.
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4. d. Explain the Onion defense model with suitable details.
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5. e. What are the key aspects of threats in security? Explain.
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6. f. Illustrate a typical attack scenario and describe how it unfolds.
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SECTION II - 2. (Attempt any three of the following) 15 Marks

1. a. Write a short note on Kerberos.
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2. b. Summarize the concept of biometric authentication and discuss its applications in modern security systems.
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3. c. Compare Symmetric key cryptography and asymmetric key cryptography.
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4. d. What are the common causes for digital certificate revocation? How is it checked?
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5. e. Explain the authentication process of Smart card implementation.
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6. f. Give any two confidentiality risks in detail.
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SECTION III - 3. (Attempt any three of the following) 15 Marks

1. a. Define network hardening and list the essential steps used to enhance network security.
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2. b. Describe the concept of A full high-availability network design
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3. c. Explain functions of OSI layers in brief
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4. d. Discuss the features of Cisco Hierarchical Internetworking Model.
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5. e. What are the strengths and weaknesses of Firewall? Explain.
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6. f. Describe the different types of ICMP messages.
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SECTION IV - 4. (Attempt any three of the following) 15 Marks

1. a. Write a short note on Anomaly-Detection (AD) Model
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2. b. Explain First Generation IDS and Second Generation IDS.
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3. c. Describe the SQL injection attack of Web application.
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4. d. Discuss the purpose of ACL.
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5. e. What are the types of classic security models? Explain.
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6. f. Write a short note on SIP.
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SECTION V - 5. (Attempt any three of the following) 15 Marks

1. a. Write a short note on cloud Computing.
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2. b. Explain how corporate physical assets are classified.
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3. c. Discuss the concepts of Phishing and Hijacking.
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4. d. Write a short note on Custom Remote Administration.
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5. e. What is virtual machine? Explain the protection of hypervisor.
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6. f. What are the types of Cloud services? Explain.
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