📝 TCP/IP Protocol Suite

📖 From Data Communication & Networks • 2. Network Model Types • 46 questions available

Practice MCQs for TCP/IP Protocol Suite. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-06-28

Easy Questions

Medium Questions

Hard Questions

Q1. How many layers are in the TCP/IP protocol suite as defined?

🔹 A. 4

🔹 B. 5

🔹 C. 6

🔹 D. 7

💡 Difficulty: easy | ✅ Correct: B

Q2. What is the primary function of the physical layer in the TCP/IP protocol suite?

🔹 A. To define how data is framed and addressed.

🔹 B. To carry individual bits in a frame across the link.

🔹 C. To route packets from source to destination.

🔹 D. To provide process-to-process communication.

💡 Difficulty: medium | ✅ Correct: B

Q3. What is the purpose of the protocol field in the IP datagram header?

🔹 A. To identify the source and destination port numbers.

🔹 B. To indicate which upper-layer protocol the payload belongs to.

🔹 C. To specify the size of the datagram.

🔹 D. To define the time-to-live of the datagram.

💡 Difficulty: hard | ✅ Correct: B

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