Chapter 3. Data Link Networking Concepts

<feature><title>Objectives</title>

This chapter covers the following Cisco-specified objectives for the “Describe how a network works” and “Configure, verify and troubleshoot a switch with VLANs and interswitch communications” sections of the 640-802 CCNA exam:

<objective>

Describe the purpose and functions of various network devices

</objective>
<objective>

Select the components required to meet a network specification

</objective>
<objective>

Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network

</objective>
<objective>

Interpret network diagrams

</objective>
<objective>

Explain the technology and media access control method for Ethernet networks

</objective>
</feature> ...

Get CCNA Exam Prep (Exam 640-802), Second Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.