CCNA考试情况及心得体会

试题情况(2015/12/16,南京)

• 选择题全出自题库但选项顺序有改变.
• 拖图题全出资题库.

• 实验题考了题库中的ACL-1,ACL-3,OSPF,全原题,题目顺序,选项顺序均与题库相同,另外有一个EIGRP的选择题,不要死记答案,实验题按步给分

  EIGRP详情:

  Question 1

  The loopback interfaces on R4 with the IP addresses of 10.4.4.4/32,10.4.4.5/32 and 10.4.4.6/32 are not appearing in the routing table of R5. Why are the interfaces missing?

  A. The interfaces are shutdown, so they are not being advertised.
  B. R4 has been incorrectly configured to be in another AS, so it does not peer with R5.
  C. Automatic summarization is enabled, so only the 10.0.0.0 network is displayed.
  D. The loopback addresses haven’t been advertised, and the network command is missing on R4.

  在考试中show run查到R4没有宣告它的环回地址,也就是选D

  Question 2

  Which path does traffic take from R1 to R5?

  A. The traffic goes through R2.
  B. The traffic goes through R3.
  C. The traffic is equally load-balanced over R2 and R3.
  D. The traffic is unequally load-balanced over R2 and R3.

  在考试中查看到R2，R3这两条的路径都是等值的，所以选C.

  Question 3

  Router R6 does not form an EIGRP neighbor relationship correctly with router R1. What is the cause for this misconfiguration?

  A. The K values mismatch.
  B. The AS does not match.
  C. The network command is missing.
  D. The passive-interface command is enabled.

  考试中在config模式下输入 show ip protocol 会看出R6和R1的k值不相同,即选择A,”The K values mismatch.”

  Question 4

  R1为什么ping不通R5？

  A. The network statement is missing on R5.
  B. The loopback interface is shut down on R5.
  C. The network statement is missing on R1.
  D. The IP address that is configured on the Lo1 interface on R5 is incorrect.

  考试查看两路由器配置,答案是R5没有10.5.5.55宣告进EIGRP，选A

个人经验

一开始还是主张学技术为主,”CCNA学习指南”那本书讲的还行,但是有些东西还是有点模糊,比如广域网那里,建议还是看看视频.

还有一些200-120的新考点
(包括SNMP、Netflow、HSRP、VRRP、GLBP)书上并没有涉及,还是需要自己善用搜索:

• SNMP:http://bbs.hh010.com/forum.php?mod=viewthread&tid=381124&highlight=SNMP
• Netflow:http://bbs.hh010.com/thread-381122-1-1.html
• HSRP,VRBP,GLBP:http://bbs.hh010.com/forum.php?mod=viewthread&tid=29175&highlight=hsrp

考前的一个星期可以看题库了,前几天可以一天50题的练,顺带看看讲解视频.到后面熟了量慢慢加,考前一天再刷一遍题,过应该是没问题了.重点说下题库里的关于trap的问题

Question 248

What level will be trapped if the administrator executes the command (choose four)

router(cfg)#logging trap 4
A. Emergency
B. Notice
C. Alert
D. Error
E. Warning

Correct Answer:ACDE

Question 253

Syslog was configured with a level 3 trap.Which 3 types of logs would be generated(choose three)

A. Emergencies
B. Alerts
C. Critical
D. Errors
E. Warnings

Correct Answer:ABC(注意答案有问题)

Question 262

A network administrator enters the following command on a router:logging trap 3.
What are three message types that will be sent to Syslog server?(choose three)
A. informational
B. emergency
C. warning
D. critical
E. debug
F. error

Correct Answer:BDF

syslog 将内容分为七个级别：Emergency，Alert，Critical，Error，Warning，Notice，Info，Debug,优先级从0到7,这样细心的同学可以看出Q253不止一个答案,没错!还可以选ABD,BCD等.所以要注意下,不要死背答案.

考试当天带好两证,提前30min进考场.然后服务人员会帮你办理相关手续(会让你拍个照片,签个字什么的).
之后你就可以进去考了,一开始时会有几个选择年龄,同意思科条款之类的.接着有指导教程,没考过思科的朋友推荐还是耐心看完,这个不计入考试时间的,后面操作会省下很多时间.接着做完50多题,结束考试.之后就会出现一些关于考试本身意见的调查,这个随便选选无所谓的.

考完之后会打印你的成绩单,过会应该就能收到注册邮件了.

题外话

很多人说CCNA没有用,个人感觉还是能学到很多知识的.自学完这个再听学校的网络课程,真的感觉学校讲的好浅.所以说,NA主要还是帮助我们掌握一些基本的网络知识,培养兴趣.