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104365

2 C 20110
What is TCP ?
What is NFS ?
(5 x 2 = 10 marks)
Part C

Answer any five questions.

Each question carries 4 marks.
Give an account on different categories of network.
Compare and contrast packet switching and message switching.
What is single bit error ? Explain how it differ from Burst error.
Write a note on Bluetooth technology.
Give a short account on Dijkstra algorithm.
Explain any two internetworking devices.
Explain the structure of TCP header.
What is DHCP ? Explain how it configure hosts dynamically.
(5 x 4= 20 marks)
Part D

Answer any five questions.
Each question carries 8 marks.

Explain the layered architecture of TCP/IP reference model with a diagram.
Explain the functions provided by physical layer of OSI Reference model.

What is CRC ? If the generating polynomial for CRC code is X* + X° + 1 and message word
is 11110000, determine check bits and coded word.

Compare and contrast CSMA/CD and CSMA/CA.

Differentiate between I[Pv4 and IPv6 Addressing schemes.

What is cryptography ? Explain the use of private and public keys in cryptography mechanism.
Discuss the steps for configuring the network interface card using ifconfigcommand in Linux.
Explain the procedure for configuring NFS in Linux.

(5 x 8 = 40 marks)

104365