Answer the following questions (any four)
1 (a)
What do we mean by IP is the best effort delivery service?
5 M
1 (b)
What is the difference between unicast and multi-cast routing?
5 M
1 (c)
How does a repeater extend the length of a LAN?
5 M
1 (d)
What is the advantage of controlled access over random access?
5 M
1 (e)
What is the significance of twisting in twisted pair cable?
5 M
2 (a)
Compare circuit, packet and message switching with examples.
10 M
2 (b)
What is IP addressing? What are the various types of IP address classes? Explain in details with its maximum capacity? State their limitations.
10 M
3 (a)
What is congestion? What are the various congestion control methods? Explain open loop congestion policies in details.
10 M
3 (b)
What is interior and exterior routing? Compare link state and distance vector routing.
10 M
4 (a)
What is HDLC? Explain various frame format, configuration and response mode supported by HDLC.
10 M
4 (b)
What is carrier sensing? What are persistent strategies? Compare CSMA/CD and CSMA/CA.
10 M
5 (a)
What is Ethernet? Explain IEEE 802.3 in details.
10 M
5 (b)
Explain TCP header in detail.
10 M
6 (a)
What is ALOHA? What are its types? Compare and contrast.
10 M
6 (b)
Compare bit-stuffing and byte-stuffing. Bit stuff the following data
000 111 111 011 111 00 1111 00 11111
000 111 111 011 111 00 1111 00 11111
10 M
Write short notes on any two :-
7 (a)
IEEE 802.5 standard
10 M
7 (b)
SONET
10 M
7 (c)
Transmission media
10 M
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