Download PTU BCA 2020 March 6th Sem BSBC 604 Information Security Question Paper

Roll No. _______________ Total No. of Pages : 02

Total No. of Questions : 07

BCA (2014 to 2018) (Sem.-6)

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INFORMATION SECURITY

Subject Code : BSBC-604

M.Code : 75014

Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

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1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains SIX questions carrying TEN marks each and students have to attempt any FOUR questions.

SECTION-A

1. Answer briefly :

   1. What are block ciphers?

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   2. What are the active attacks?
   3. What is CIA?
   4. What is the concept of confusion and Diffusion?
   5. What is CBC mode of DES?
   6. Distinguish Threats, Vulnerabilities.

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   7. What is phishing and types?
   8. Distinguish functioning of Virus and worm.
   9. What are different key sizes and number of rounds relation in AES?
   10. What is Steganography?

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SECTION-B

2. What are the Key principles of Security, discuss each in details?

3. Explain working and use of:

   1. PGP
   2. SSL

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4. Write and explain RSA algorithm using P and Q prime numbers.
5. Discuss the different steps of security system development life cycle.
6. Explain the IDS systems for Network and nodes in detail.
7. What is Firewall; discuss different types and their functions of firewall.

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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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