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[学习资料] Cisco 640-802v13++题库祥解11[艾迪飞双CCIE黄老师主讲]

<DIV class=Section1>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 15.3pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">36. Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">are true? (Choose two.)<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;
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2008-3-29 16:52
</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 19.3pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">A. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">B. Router C will use ICMP to inform Router B that Host 2 cannot be reached.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">D. Router C will send a Destination Unreachable message type.</FONT></SPAN></P></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman"></FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">E. Router C will send a Router Selection message type.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">F. Router C will send a Source Quench message type.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 10.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-font-kerning: 0pt"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">Answer: AD </FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman"></FONT></SPAN>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">解释:当C的e0口down掉以后,我们会发现在C上e0口的直连路由也会随之消失,那么,我们从host1</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;去ping host2 时,数据包到了C会被丢掉,因为没有路由,同时,C会对host1 回复一个ICMP不可达</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-line-height-rule: exactly; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 的消息,在路由器里面显示ICMP不可达消息,显示为U.答案AD是正确的</FONT></SPAN></P><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">
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DDDDDDDDDDDDDDdd
张建桥
&nbsp;jjjjjjjjjjjj
题库虽好,可现在的思科认证似乎看重的好单位需求不如作软件开发的多呀.......
serialserial
将计就计将计就计经济
支持楼主分享~~~~~感谢~<br>
感谢分享!
顶一个
<P><FONT style="BACKGROUND-COLOR: #f6f2e8">dddddddddddddddddddddddddd</FONT></P>

ddddddddd

dddddddddddddddddd
当C的e0口down掉以后,我们会发现在C上e0口的直连路由也会随之消失,那么,我们从host1

        去ping host2 时,数据包到了C会被丢掉,因为没有路由,同时,C会对host1 回复一个ICMP不可达

        的消息,在路由器里面显示ICMP不可达消息,显示为U.答案AD是正确的
支持楼主分享~~~~~感谢~

DDDDDDDD

DDDDDDD
dingdingdingdingdingding
kan kan
thank you very much
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