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📝 Structure of Circuit Switches

📖 From Data Communication & Networks • 8. Switching • 56 questions available

Practice MCQs for Structure of Circuit Switches. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-31

10
Easy Questions
28
Medium Questions
18
Hard Questions

📝 Sample Questions

Q1. What does the setup phase in a circuit‑switched network involve?

🔹 A. Establishing a temporary buffer
🔹 B. Reserving a dedicated channel on each link
🔹 C. Broadcasting a packet to all nodes
🔹 D. Encrypting the data

💡 Difficulty: easy | ✅ Correct: B

Q2. If a link fails after a circuit has been established, what is the most immediate effect on the ongoing communication?

🔹 A. The data rate doubles
🔹 B. All packets are rerouted automatically
🔹 C. The connection is lost until a new circuit is set up
🔹 D. Only the failed channel is skipped, preserving the circuit

💡 Difficulty: medium | ✅ Correct: C

Q3. If the number of end systems doubles while the number of switches stays the same, what is the most likely impact on channel reservation success rate?

🔹 A. Success rate doubles
🔹 B. Success rate halves
🔹 C. Success rate remains unchanged
🔹 D. Success rate becomes unpredictable

💡 Difficulty: hard | ✅ Correct: B

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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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