STUPIDSID
1 (a)
Why there is a need for layered designing for networking and communication? Compare the TCP/IP and OSI reference models.
10 M
1 (b)
Explain the modes of propagating light along optical channels. What are the advantages over other guided media?
10 M
2 (a)
Explain the need for DNS and describe the protocol functioning.
10 M
2 (b)
Explain the different elements of transport protocols.
10 M
3 (a)
Explain how TCP handles error control and flow control.
10 M
3 (b)
Why is flow control needed? What are the mechanisms? Explain how the Go-Back-N and Selective Repeat ARQ differ from each other.
10 M
4 (a)
Why there is a need for congestion control? What are the different mechanisms? Explain them.
10 M
4 (b)
Explain CSMA Protocols. Explain how collisions are handled in CSMA/CD,
10 M
5 (a)
Why there is need for farming?
The following encoding is used in a data link protocol:
A:01000111; B:11100011; FLAG: 01111110; ESC:11100000
Show the bit sequence transmitted (in binary) for the four character frame: A B ESC FLAG
when each of the following framing methods are used:
a) Character count
b) Flag byte and byte stuffing
c) Starting and Ending flag bytes, with bit stuffing.
The following encoding is used in a data link protocol:
A:01000111; B:11100011; FLAG: 01111110; ESC:11100000
Show the bit sequence transmitted (in binary) for the four character frame: A B ESC FLAG
when each of the following framing methods are used:
a) Character count
b) Flag byte and byte stuffing
c) Starting and Ending flag bytes, with bit stuffing.
10 M
5 (b)
Compare the network layer protocols Ipv4 and Ipv6.
10 M
Give Short notes on any four:
6 (a)
SNMP
5 M
6 (b)
HTTP
5 M
6 (c)
BGP
5 M
6 (d)
Ethernet
5 M
6 (e)
Virtual LAN
5 M
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