Maharashi Dayanand University (MDU) 2009-8th Sem B.E Computer Science and Engineering NETWORK SECURITY & MANAGEMENT - - Question Paper
2721
B.E. eighth SEMESTER (C.S.E)
exam - MAY-2009
NETWORK SECURITY & MANAGEMENT
PAPER : IT-464-E
Roll No.
2721
B. E. 8th Semester (C. S. E.) Examination - May, 2009
NETWORKS SECURITY & MANAGEMENT
Paper: IT-464-E
Time : Three hours ]_[Maximum Marks; 100 .
Before answering the questions, candidates should ensure that they have been supplied the correct and complete question paper. No complaint in this regard, zoill be entertained after examination.
Note: Attempt any five questions.
1. (a) Answer the following questions in brief. 10.
(i) . What is Denial of service attack ?
(ii) What is Trojan horse ? Explain its Principle.
(b) Discuss the basic concepts of Encryption and Decryption techniques with examples. 10 .
2. (a) What are Block cipher design principles and their
inodes of operation ? 10
(b) What is public key cryptography ? Explain RSA algorithm with example. 10
3.. Explain the following encryption techniques with examples of each: 20
(i) Substitution Cipher,
(ii) Transposition Cipher.
4. How Speech signal can be encrypted ? Describe Analog and Digital systems of speech encryption, 20
5. (a) What is the purpose and principle signature ? Explain.
of Digital - 5-
15
(b) Describe the following :
(i) Pretty Good Privacy
(ii) IP Security
(iii) Firewalls
6. (a) What do you mean by Network Management ?
Explain with the help of NM Functional, flow chart. '10
(b) Give a System overview for SNMPv 1 Network Management Architecture. 10
7. (a) Compare RMON1 and RMON 2. ~ 8
(b) What are security threats ? How they.re handled in SNMPv3 ? Explain. 1.2
2721-1550-(P-2)(Q-8)(09) (2)
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