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Sams Teach Yourself TCP/IP in 24 Hours, Fifth Edition by Joe Casad

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Appendix A. Answers to Quizzes and Exercises

Hour 1: What Is TCP/IP?

Quiz

1. A network protocol is a set of rules and data formats that enable communication between computers (or other devices) on the network.

2. End-node verification and dynamic routing are two features that contribute to TCP/IP’s decentralization.

3. DNS, the Domain Name Service, is responsible for mapping domain names to IP addresses.

4. An RFC, Request For Comment, is a document that describes an Internet standard or a report from one of the working groups that help run the Internet.

5. A port is a logical channel used to route data to the proper networking application.

Hour 2: How TCP/IP Works

Quiz

1. The Data Link layer and the Physical layer.

2. The Internet layer.

3. ...

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