Chapter 1. The TCP/IP and OSI Networking Models

This chapter covers the following exam topics:

Operation of IP Data Networks

Recognize the purpose and functions of various network devices such as Routers, Switches, Bridges and Hubs.

Select the components required to meet a given network specification.

Describe the purpose and basic operation of the protocols in the OSI and TCP/IP models.

Welcome to the first chapter in your study for CCENT and CCNA! This chapter begins Part I, which focuses on the basics of networking. Because networks require all the devices to follow the rules, this part starts with a discussion of networking models, which gives you a big-picture view of the networking rules.

You can think of a networking model as you think ...

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