14,
15.

16.
17.
18.
19.
20.
21.
22.

25.
26.
27.
28.

2

Explain the differences between TCP and UDP.
Write a short note on RSA Cryptosystem.

C 1136

(4 x 4 = 16 marks)

Section C

Answer at least four questions.
Each question carries 6 marks.
All questions can be attended.

Overall Ceiling 24.

Give an account on different categories of networks.

Explain the differences between pure ALOHA and sletted ALOHA.
Explain the layered architecture of Bluetooth technology.

Explain the advantages of IPv6 over IPv4 addressing schemes.

Give an account on DNS.

Explain the functionality of transport layer in brief.

Explain confidentiality with Symmetric and Asymmetric key cryptography.

Explain the different services provided by network security.

(4 x 6 = 24 marks)

Section D

Answer any two questions.
Each question carries 15 marks.

Explain the layered architecture of ISO-OSI Reference model.
Explain any two error detection and correction techniques with examples.
Explain about Distance Vector Routing and Link State Routing algorithm.
What is an Email ? Explain the different components of Email.

Explain any two symmetric block encryption algorithms.

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(2 x 15 = 30 marks)