CCENT Exam Prep (Exam 640-822)

Chapter 6. Introduction to Cisco Routers and Switches

<feature><title>Objectives</title>

This chapter covers the following Cisco-specified objectives from the “Describe the operation of data networks” section of the 640-822 ICND1 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			188
Interfaces and Modules			188
	LAN Interfaces		188
	WAN Interfaces		189
		BRI	189
		Synchronous Serial	190
		Asynchronous Serial	190
		HSSI	190
		T1 Controller Card	190
		Data Communications Equipment (DCE)	190
		Data Terminal Equipment (DTE)	191
Cisco Memory Components			192
	ROM		193
	Flash		193
	RAM		193
	NVRAM		193
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