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> ...