STUPIDSID
1 (a)
Define network. With a neat diagram, explain the four basic topologies.
5 M
1 (b)
With the help of a diagram, explain the functionalities of each layer of OSI reference model.
10 M
1 (c)
List and explain the four levels of addresses used in an internet employing the TCP/IP protocols.
5 M
2 (a)
Define latency. Briefly explain the components of latency. What are the propagation time and transmission time for a 5 MByte message (image), H the bandwidth of the network is 1 Mbps? Assume that the distance between the sender and receiver is 12000 km and that light travels at 2.4×108 m/s.
8 M
2 (c)
What is line coding? Represent the sequence '01001110' using NRZ-L, NRZ-I and Manchester schemes.
4 M
3 (a)
What is TDM? Explain in detail.
7 M
3 (b)
Explain virtual circuit network with an example, and also briefly discuss the phases.
10 M
3 (c)
Five channels, each with a 100 kHz bandwidth are to be multiplexed together. What is the minimum bandwidth of the link is there is a need for a guard band of 10 kHz between the channels to prevent interference?
3 M
4 (a)
How does datawords and codewords is represented in block coding and also explain how can errors be selected and corrected by using block coding.
10 M
4 (b)
Find the code word using CRC given data ?1101? and generator ?1100?.
10 M
5 (a)
With a neat diagram, explain any two protocols of noisy channel.
12 M
5 (b)
Explain the frame format of HDLC protocol.
8 M
6 (a)
Describe pure ALOHA and slotted ALOHA.
10 M
6 (b)
What is channelization? List and explain the channelization protocols.
10 M
7 (a)
Explain the different types of addressing mechanism in IEEE 802.11.
5 M
7 (b)
Define Bluetooth and explain the architecture of Bluetooth.
5 M
7 (c)
With a neat diagram, explain the categories of connecting devices.
10 M
8 (a)
Explain classful addressing and classless addressing with respect to IPV4.
8 M
8 (b)
Explain in detail IPV6 packet format.
8 M
8 (c)
Give a comparison between IPV4 and IPV6.
4 M
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