CCNA Exam Prep (Exam 640-802), Second Edition

Chapter 6. Introduction to Cisco Routers and Switches

<feature><title>Objectives</title>

This chapter covers the following Cisco-specified objectives for the “Describe how a network works” section of the 640-802 CCNA exam:

<objective>

Select the components required to meet a network specification

</objective> <objective>

Describe the purpose and functions of various network devices

</objective> </feature><feature><title>Outline</title>

Introduction	186
Interfaces and Modules	186
LAN Interfaces	186
WAN Interfaces	187
BRI	187
Synchronous Serial	188
Asynchronous Serial	188
HSSI	188
T1 Controller Card	188
Data Communications Equipment (DCE)	188
Data Terminal Equipment (DTE)	189
Cisco Memory Components	190
ROM	191
Flash	191
RAM	191
NVRAM	191
Cisco Internetworking Operating System	191 ...