Cisco 640-802v13++题库祥解3[艾迪飞双CCIE黄老师主讲]
<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"> </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"> </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"> </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"> </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"> </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"> </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> </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"> 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">
<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>本帖隐藏的内容需要回复才可以浏览 </SPAN></P> |