THE FOLLOWING ICND1 EXAM TOPICS ARE COVERED IN THIS CHAPTER:

专注于为中小企业提供成都做网站、网站制作服务,电脑端+手机端+微信端的三站合一,更高效的管理,为中小企业岭东免费做网站提供优质的服务。我们立足成都，凝聚了一批互联网行业人才，有力地推动了上千企业的稳健成长，帮助中小企业通过网站建设实现规模扩充和转变。

√Operation of IP Data Networks

• Recognize the purpose and functions of various network devices such as Routers,Switches,Bridges and Hubs.

• Select the components required to meet a given network specification

• Identify common applications and their impact on the network

• Describe the purpose and basic operation of the protocols in the OSI and TCP/IP models.

    Welcome to the exciting world of internetworking.This first chapter will serve as an internetworking review by focusing on how to connect networks together using Cisco routers and switches,and I've wirtten it with the assumption that you have some simple basic networking knowledge.The emphasis of this review will be on the Cisco CCENT and/or CCNA Routing and Switching(CCNA R/S) objectives you'll need a solid grasp on in order to succeed in getting your ceritifications.

    Let's start by defining exactly what an interneworks is: You create an internetwork when you connect two or more networks via a router and configure a logical network addressing scheme with a protocol such as IP or IPv6.

    We'll also dessect the Open Systems Interconnection (OSI) model,and I'll describe each part of it to you in detail because you really need complete,reliable knowledge of it.Understanding the OSI mode is key for the solid foundation you'll need to build upon with the more advanced Cisco model is key for the solid foundation you'll need to build upon with the more advanced Cisco networking knowledge gained as you become increasingly skilled.

网页标题：chapter1.Internetworking
文章地址：http://sczitong.cn/article/isheio.html