No. of Printed Pages : 3

MSEI-022

P.G. DIPLOMA IN INFORMATION SECURITY (PGDIS) Term-End Examination December, 2013 MSEI-022 : NETWORK SECURITY

Maximum Marks : 50

Time : 2 hours

Note : Section A - Answer all the objective type questions. Section B - Answer all the very short answer type questions. Section C - Answer any 2 out of 3 short type answer questions Section D - Answer any 2 out of 3 long type questions.

1.

2.

SECTION - A (Attempt all the questions) Write True or False. 1x5=5 (a) SSL and TLS are protocols used in Network layer. (b) WEP is less secure than WAP. (c) Session Sniping is a measure taken by IDS. (d) SING is a GUI Scanning technique. (e) Handshake protocol is the most simplest part of SSL protocol. Fill in the blanks. 1x5=5 key authentication (a) Kerberos is a service developed at MIT. (b) ICMP stands for

MSEI-022

1

P.T.O.

Video watermarking , Audio water marking , Text watermarking etc. are applications of . (d) Block ciphers and Stream ciphers are types ciphers. of is a device with set of rules to (e) permit or deny Network access by unauthorised services.

(c)

SECTION - B (Attempt all the questions) 3.

Write short notes on the following : (a) IRIS recognition (b) IDS (c) IDEA (d) Firewall (e) Cryptography

5x2=10

SECTION - C (Attempt 2 out of 3 Short type questions) 5x2=10 4.

Briefly explain various stages of cryptography.

5.

Explain the process of creating and verifying a digital signature.

6.

Compare the functionalities of the Network firewalls with that of the Host - based firewalls.

MSEI-022

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SECTION - D (Attempt 2 out of 3 Long type questions) 10x2=20 7.

What is ESP ? With the help of suitable diagram, explain IP Sec in ESP Transport mode and IP Sec in ESP Tunnel mode.

8.

What are various Security issues in wireless ? Explain the process of WEP encryption and WEP decryption with the help of a suitable diagram.

9.

What are Honeypots ? Briefly explain various types of honeypots. What are its advantages and disadvanatages ?

MSEI-022

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Section A - Answer all the objective type questions. Section B

(d) Firewall. (e) Cryptography. 5x2=10. SECTION - C. (Attempt 2 out of 3 Short type questions) 5x2=10. 4. Briefly explain various stages of cryptography. 5. Explain the process of creating and verifying a digital signature. 6. Compare the functionalities of the Network firewalls with that of the Host - based firewalls. MSEI-022. 2 ...

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