📝 Delay in Circuit Switching Network

📖 From Data Communication & Networks • 8. Switching • 11 questions available

Practice MCQs for Delay in Circuit Switching Network. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-31

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📝 Sample Questions

Q1. What is the definition of propagation delay in a circuit‑switched network?

🔹 A. Time required to establish a connection

🔹 B. Time for a signal to travel from sender to receiver across the physical medium

🔹 C. Time taken by the switch to process a call request

🔹 D. Time a packet spends waiting in a queue

💡 Difficulty: easy | ✅ Correct: B

Q2. Telephone 1 is already connected to 7. When a new call from 1 to 5 is requested, which statement best describes the effect on end‑to‑end delay for the new call?

🔹 A. No impact because it uses a separate physical link

🔹 B. Delay increases due to the additional connection‑setup phase

🔹 C. Delay decreases because resources are shared

🔹 D. Delay remains unchanged because FDM isolates each channel

💡 Difficulty: medium | ✅ Correct: B

Q3. In the two‑office network, a call that uses an inter‑office output port must pass through both switches. How many additional switching stages does this introduce compared to an intra‑office call, and what is the likely impact on total delay?

🔹 A. One extra stage, producing a modest increase in delay

🔹 B. Two extra stages, roughly doubling the delay

🔹 C. No extra stage, so delay is unchanged

🔹 D. Three extra stages, causing a large increase

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

📝 Introduction to Switching in Physical Layer 📝 Three Methods of Network Switching 📝 Network Switching and TCP/IP Layers 📝 Circuit Switched Network in Physical Layer 📝 Three Phases of Circuit Switching Network

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