Differentiate error detection with error correction. Explain CRC (Cyclic Redundancy Check) method for error detection with a suitable example. [10]
Introduction to Computer Network
1.
What is protocol? Explain each layer of OSI model in detail. [10]
2.
Why do we need network topology? Explain star topology along with its merits and demerits. [5]
3.
Define Protocol. Why do we need standards? [5]
4.
Write short notes on (any two): a. Protocol and standards b. Switch c. Checksum [5]
Multimedia &Future Networking
1.
What is a virtual circuit network? Explain frame relay as a virtual circuit-wide area network. [5]
2.
Explain in brief about software defined network? What are its features? [5]
Network Layer
1.
Explain distance vector routing with example. [10]
2.
What is circuit-switched network? Explain phases during communication in a circuit-switched network? [5]
3.
Write the subnet ID and broadcast address of each subnet if you divide a class C network (192.168.3.0 – 192.168.3.255) into 4 different subnets. What is the new subnet mask? [5]
Transport Layer
1.
Why TCP is called a connection-oriented and reliable protocol? Differentiate TCP with UDP. [5]