What do you understand by DNS? Explain FTP and SFTP. [5]
Data Link Layer
1.
What is flow control? How does stop-and-wait ARQ protocol handle error? What are its disadvantages. [10]
2.
State the functionality of logical link control. Briefly explain HDLC. [5]
Introduction to Computer Network
1.
Explain different types of network topologies. [5]
2.
Write short notes on : a. IPv4 b. Infrared [5]
Multimedia &Future Networking
1.
Explain architecture of SDN. [5]
Network Layer
1.
What is classful addressing? Explain link state routing with a suitable example. [10]
2.
What do you understand by circuit switching? Explain. What are its advantage and disadvantage? [5]
3.
Differentiate between unicast and multicast routing. [5]
4.
Suppose you are given an IP address 192.168.0.0, perform subnetting and divide the given network in 2 subnets. Calculate total number of host that can be configured, range of IP address. [5]
Transport Layer
1.
Explain TCP header with a neat diagram. Highlight on its uses. [10]
2.
What is the difference between port and socket? Explain leaky bucket algorithm with example. [5]