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Computer Networks · End Term · 21 Dec 2025 · September 2025 term

Question 7: In a circuit-switched network, a source communicates with…

Question 7

+3 marksNumerical answer

In a circuit-switched network, a source communicates with a destination through 10 intermediate switches. Each switch takes 4 ms to process a reservation request before forwarding it to the next node. The propagation delay between each pair of nodes (i.e., source/switch/destination) is 3 ms. What is the total time (in milliseconds) taken for the reservation request to reach the destination?

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Correct answer: 72.5 (accepted within ±2.5)

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Question 7 of 42 in the IIT Madras BS Computer Networks (Computer Networks) End Term paper sat on 21 Dec 2025, in the September 2025 term (Computer Networks 18 Dec 25). It carries 3 marks.

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