What is packet switching network? How does it differ from packet switching?
What is topology in compute network? Differentiate star topology from mesh topology.
Why OSI reference model is known as the layer architecture? What are the functions of layers of OSI reference model?
What is DNS? How does DNS work? Explain the hierarchy of DNS servers.
What is port address in transport layer? How does it help in Process-to- process delivery at transport layer?
How does congestion impact network performance, and what metrics are used to detect congestion?
Explain the following system calls: socket(), bind(), listen(), accept(), connect(), send(), recv() ?
What is connection-less service? How does packet delivery connection- less services does differ from connection-oriented services?
Describe the process of establishing a TCP connection using the three-way handshake.
Explain the various fields of UDP header. What are the advantages and disadvantages of UDP over TCP?
How many maximum number of hosts can be connected in a single class B and C network?
How routing table is built in link state routing protocol? Explain the steps in detail with figure and example.
What is subnetting? What is the subnet masks values for creating 4 and 8 subnets in class c network?
How the vector of distance for each router is built in distance vector routing protocol? What is count-to-infinity problem in it?
What is flow control? How stop-n-wait protocol does work for flow control?
A bit stream 10011101 is transmitted using standard CRC Method. The divisor is 1001. Show the CRC codeword is generated at sender side.
What is collision? How collision can be avoided using bit-map protocol? Explain with example.
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Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Computer Networks (CN) (Summer 2025, B.E. · Computer Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
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