Chapter 1

Internetworking

The CCNA exam topics covered in this chapter include the following:

  • Describe how a network works>
  • Describe the purpose and functions of various network devices
  • Select the components required to meet a network specification
  • Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network
  • Describe common networked applications including web applications
  • Describe the purpose and basic operation of the protocols in the OSI and TCP models
  • Describe the impact of applications (Voice over IP and Video over IP) on a network
  • Interpret network diagrams
  • Describe the components required for network and Internet communications
  • Identify and correct common network problems at layers 1, 2, 3, and ...

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