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CCNA Practice Questions (Exam 640-802), Third Edition by Jeremy CCIE No. 11727 Cioara

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Chapter 1. Operation of Data Networks

This chapter covers the following CCNA objectives that fall under the content area, 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.

  • Determine the path between two hosts across a network.

  • Describe the components required for network and Internet ...

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