STUPIDSID
Solve any one question from Q1 and Q2
1 (a)
Draw OSI reference model and explain functions of data link layer and presentation layer.
7 M
1 (b)
A channel has data rate of 4kbps and propagation delay of 20ms. Calculate the frame size if the channel efficiency is 50%.
7 M
1 (c)
What is backbone network? What are its types? Explain with necessary diagrams.
6 M
2 (a)
Draw TCP/IP protocol suite. List with example addresses present at every layer.
7 M
2 (b)
Explain flow control in data link layer.
7 M
2 (c)
Explain Basic service set and Extended service set in WLAN.
6 M
Solve any one question from Q3 and Q4
3 (a)
Compare IPv4 and Ipv6.
6 M
3 (b)
List the various protocols giving their significance at network layer.
6 M
3 (c)
Explain the various classes of IP addressing with their respective ranges. Also list the range of private IP addresses and the standard mask for first
three classes of IP addresses.
6 M
4 (a)
Draw and explain IPv4 frame format.
6 M
4 (b)
Write short note on DHCP.
6 M
4 (c)
Give the classification of commonly used Unicast Routing protocols and explain Distance Vector Routing protocol with an appropriate example.
6 M
Solve any one question from Q5 and Q6
5 (a)
Draw the TCP frame format. Explain the use of flags.
6 M
5 (b)
Explain the reliability, delay, jitter and bandwidth requirements for the internet applications E-mail and video conferencing.
6 M
5 (c)
Explain in brief port numbers and socket address.
4 M
6 (a)
Explain 3 way/step handshaking for connection establishment and 4 step connection termination.
6 M
6 (b)
Explain the features of Stream Control Transmission Protocol (SCTP).
6 M
6 (c)
Draw and explain UDP frame format.
4 M
Solve any one question from Q7 and Q8
7 (a)
What are the main responsibilities of Application Layer? Explain in brief.
6 M
7 (b)
Explain DNS in Internet.
6 M
7 (c)
Explain the RSA algorithm. Also explain its limitations.
4 M
8 (a)
Compare symmetric and asymmetric cipher.
6 M
8 (b)
Write short note on electronic mail system.
6 M
8 (c)
Explain the Substitution cipher with its advantages and disadvantages.
4 M
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