GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Name: Systems And Network Security
Time: 10:30 AM TO 01:00 PM
Subject Code: 2183202
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019Subject Name: Systems And Network Security
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
| Q.1 | (a) Give comparative note of LAN, MAN and WAN. | 03 |
| (b) Explain conventional cryptosystem model with diagram. | 04 | |
| (c) Explain the OSI reference model with its applications. | 07 | |
| Q.2 | (a) Write a short note on Steganography. | 03 |
| (b) Write down the steps of RSA algorithm. | 04 | |
| (c) Define security attack. Explain the types of it in detail. | 07 | |
| OR | ||
| (a) Explain four general categories of schemes for the distribution of public keys. | 07 | |
| Q.3 | (a) Explain Avalanche Effect and Timing Attack. | 03 |
| (b) List and briefly define categories of security services. | 04 | |
| (c) Explain single round function of DES with suitable diagram. | 07 | |
| OR | ||
| (a) What do you mean by Stream Cipher and Block Cipher? Differentiate both. | 03 | |
| (b) Use playfair algorithm with key “hello world” and encrypt the text “hide the gold”. | 04 | |
| (c) Draw and explain Feistel’s structure for encryption and decryption. | 07 | |
| Q.4 | (a) What is the need of segmentation and reassembly function in PGP? | 03 |
| (b) Explain X.509 authentication service. | 04 | |
| (c) Write a detailed note on S/MIME. | 07 | |
| OR | ||
| (a) Explain Man-in-the-Middle Attack. | 03 | |
| (b) Discuss the parameters that defines a Security Association (SA). | 04 | |
| (c) Explain Kerberos in detail. | 07 | |
| Q.5 | (a) Give the importance of detached Signature? | 03 |
| (b) Explain the SSL Alert protocol. | 04 | |
| (c) Explain the types of Firewall. | 07 | |
| OR | ||
| (a) What is the role of compression in the operation of a virus? | 03 | |
| (b) Explain Digital Immune System. | 04 | |
| (c) Define intruders? Explain intrusion detection technique in web security. | 07 | |
Date:17/05/2019
Total Marks: 70
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University
--- Content provided by FirstRanker.com ---