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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
MCA SEMESTER- V EXAMINATION WINTER 2018
Subject Code: 2650002 Date:17/11/2018
Subject Name: Network Security
Time: 10.30 am to 01.00pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Attempt the following.
1. List Active Passive attack
2. Explain security mechanism.
04
03

Explain key features of SET.
07
Q.2

Discuss RC4 algorithm in detail.
07

Define: 1. Firewall 2. TLS 3. Secure shell
07
OR

State the difference between Block Stream Cipher
07
Q.3

Discuss X.509 certificate.
07

Compare DES, 3DEC AES.
07
OR
Q.3

Explain RSA algorithm in detail.
07

Discuss the benefits of IPSecurity.
07
Q.4

Define Deffie-Hellman key exchange algorithm with example.
07

Explain ESP format.
07
OR
Q.4

Explain PGP and its services.
07

Explain Web security overview.
07
Q.5

Explain IEEE 802.11 Wireless LAN.
07

Discuss Kerberos and its versions.
07
OR
Q.5

Explain Firewall and its types.
07

Discuss Intrusion and its detection techniques.
07