关于CCNA考试的几点建议——南京CCNA培训分享

　　本文南京万和CCNA培训要和大家分享考试经验，为大家提供一些建议，帮助大家更好的Pass CCNA！

　　条件：

　　◎英语一定要好

　　◎对OSI参考模型，TCP／IP模型有很好的掌握

　　◎使用过Cisco的低端路由器

　　◎对交换机的运作功能有一些基础

　　A.CCNA Certification Exam Objective

　　The CCNA (640-407)exam will consist of a combination of the following objective

　　1.Identify and describe the functions of each of the seven layers of the OSI

　　reference model

　　2.Describe connection-oriented network service and connectionless network

　　service ,and identif the key differences between them.

　　3.Describe data link addresses and network addresses,and identify the

　　key differences between them

　　4.Define and describe the function of a MAC address.

　　5.Define flow control and describe the three basic metthods used in netwoeking

　　6.Differentiate between the following WAN services:frame

　　relay,isdn/lapd,hdlc,&ppp

　　7.Log into a router in both user and privileged modes

　　8.Use the context-sensitive help facility

　　9.Use the command history and editing features

　　10.Examine router elements(RAM,ROM,CDP,show)

　　11.Manage configuration files from the privileged exec mode

　　12.Control router passwords,identification and banner

　　13.Identify the main cisco IOS commands for router startup

　　14.Check an initial configuration using the setup command

　　15.Copy and manipulate configuration files

　　16.List the commands to load cisco IOS software from:flash memory,a tf

　　tp server,or ROM

　　17.Prepare to backup,upgrade,and load a backup Cisco IOS software image

　　18.List the key internetworking functions of the OSI network layer and how they are performed in a router

　　19.Describe the two parts of network addressing,then identify the parts in

　　specific protocl address examples

　　20.List problems that each routing type encounters when dealing with topology

　　changes and describe techniques to reduce the number of these problems.

　　小伙伴们，你们都记住了么？希望有更多人加入到网络的世界里来，南京万和CCNA培训欢迎你的加入......