返回列表 回复 发帖

[学习交流] CCNA640-802 V13题库试题分析22艾迪飞吴老师讲解)

1The OSPF Hello protocol performs which of the following tasks? (Choose two.)

A. It provides dynamic neighbor discovery.

B. It detects unreachable neighbors in 90 second intervals.

C. It maintains neighbor relationships.

D. It negotiates correctness parameters between neighboring interfaces.

E. It uses timers to elect the router with the fastest links as the designated router.

F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.

Answer: AC

解释一下:OSPFHello包的作用是发现并维持邻居关系。

 

 

本帖隐藏的内容需要回复才可以浏览

 

又一次沙发,支持楼主!
我也支持楼主
kkkkkkkkkkkk

原帖由 时光 于 2007-12-5 19:48 发表 又一次沙发,支持楼主!

沙发都被你坐了

我板凳都没有坐的

武汉艾迪飞IT培训中心,国内最专业的IT培训中心!提供一流的思科认证平台!网址:http://www.edify.com.cn
联系方式:QQ:719030 咨询QQ群:59848037 (新开):E-mail:zmq@edify.com.cn
在线咨询QQ:320143760
但顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶顶
ddddddddddddddddddddddddddddddd
<IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1">&nbsp;<IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1"> <IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1"> <IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1"> <IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1"> <IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1"> <IMG alt="" src="http://bbs.edify.com.cn/images/smilies/default/smile.gif" border=0 smilieid="1">
77777777777

fffffffffffffffff

ffffffffffffffffffffffffff

回复 1# 的帖子

支持
thank u
ddddddddddddddddd
又一次沙发,支持楼主!
<DIV class=t_msgfont id=postmessage_16967>ddddddddddddddddddddddddddddddd</DIV>
ddddddddddddd
gdgdfgdf

sadfsd

dignasdfdsgf
谢谢楼主分享
返回列表