Download JNTUH MCA 4th Sem R13 2018 June-July 814AT Information Security Question Paper

FirstRanker.com

Code No: 814AT

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

--- Content provided by FirstRanker.com ---

MCA IV Semester Examinations, June/July - 2018

INFORMATION SECURITY

Time: 3 Hours Max. Marks: 60

Note: This question paper contains two parts A and B.

Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b as sub questions.

--- Content provided by‌ FirstRanker.com ---

PART - A 5 x 4 Marks = 20

1. What is the need for information security?
2. Differentiate between block and stream ciphering scheme.
3. Explain about hash functions.
4. Define the services provided by PGP.

--- Content provided by⁠ FirstRanker.com ---

5. State and explain about Intruders.

PART -B 5 x 8 Marks =40

1. List and explain in detail about various types of security services. [8]
   OR
   With an example explain in detail about mono-alphabetic substitution technique. [8]

--- Content provided by‍ FirstRanker.com ---

2. Draw a neat diagram, explain the DES algorithm for 64 bit data and 64 bit key size.[8]
   OR
   Explain the encryption and decryption performed using RSA algorithm. Using RSA algorithm generate the cipher text with given data: p=11, q=5,e=3, PT=9. [8]
3. Describe in detail about secure hash algorithm (SHA) in detail. [8]
   OR
   

   --- Content provided by FirstRanker.com ---

   Illustrate in detail about X.509 authentication service with a neat diagram. [8]
4. With a neat diagram explain the architecture of IP Security. [8]
   OR
   Describe in detail about various techniques used for key management. [8]
5. Explain the different types of firewall and its configurations in detail. [8]
   

   --- Content provided by⁠ FirstRanker.com ---

   OR
   Explain in detail about Secure Inter-branch Payment Transactions. [8]

---00000---