Cisco 640-802v13++题库祥解3[艾迪飞双CCIE黄老师主讲]

huanghui

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 14.65pt; 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">8. Which of the following are associated with the application layer of the OSI model? (Choose two.)<?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">A. ping<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. Telnet<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. FTP<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. TCP<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">E. IP<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: BC</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:A答案是测试连通性的PING,借用的是ICMP协议里面的echo和echo-reply两个协议报文,应该在OSI协议模型里面的第三层,B答案telnet是远程登陆,</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; 是一种应用,端口号23,所以是第七层,应用层,同样的C答案也是一种应用,FTP,所用端口号是20和21,TCP第四层,IP第三层,所以答案是BC</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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asus1024

非常感谢非常感谢

youth2000

anglehanlulu

有没有一次全部讲解完的``

zoyexu

我要下载

cq779

谢谢老师!!!

martine1023

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szitboy

谢谢老师

ouyangzhousn

非常感谢!

shanehe

感谢老师～～～

lyping

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caoer6688

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圣堂巫师

支持

我顶

davynicky520

看看！

gswwjm

非常感谢非常感谢

michael_gwh

谢谢，要向你们学习。

hbtwh

OK，看看！

大侠88

解释的更详细，强烈感谢

heltonhio

thanks

yzj050054

十分感谢楼主！