As mentioned in the introduction, you have two choices for review questions. The questions that follow give you a bigger challenge than the exam itself by using an open-ended question format. By reviewing now with this more difficult question format, you can exercise your memory better and prove your conceptual and factual knowledge of this chapter. The answers to these questions are found in Appendix A.
For more practice with exam-like question formats, including questions using a router simulator and multiple-choice questions, use the exam engine on the CD.
1. Describe the features required for a protocol to be considered connectionless.
2. Name at least three connectionless protocols.
3. Describe the features required for a protocol to be considered connection oriented.
4. In a particular error-recovering protocol, the sender sends three frames, labeled 2, 3, and 4. On its next sent frame, the receiver of these frames sets an Acknowledgment field to
4. What does this typically imply?
5. Name three connection-oriented protocols.
6. Describe how TCP performs error recovery. What role do the routers play?
7. How many TCP segments are exchanged to establish a TCP connection? How many are required to terminate a TCP connection?
8. Describe the purpose of the Port Number field in a TCP header. Give one example.
9. List the components of a TCP socket.
10. How many TCP segments must be sent to establish a TCP connection? How many are used with normal TCP connection termination?
11. How many UDP segments must be sent to establish a UDP connection? How many are used with normal UDP connection termination?
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