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发表于 2008-2-26 16:30
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[学习资料] Cisco 640-802v13++题库祥解1[艾迪飞双CCIE黄老师主讲]
<P>此讲解是供大家学习和讨论而用,如果有任何问题可以加我qq来讨论<A class=STYLE2 href="http://bbs.edify.com.cn/thread-2500-1-1.html" target=_blank><FONT color=red>Cisco认证交流群⑧:41675727(新开)</FONT></A>,希望能够帮助大家都顺利通过NA考试,本系列贴每天都会有更新,</P>
<P>题目顺序和TK顺序一样</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">1. What are two reasons that a network administrator would use access lists? (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-layout-grid-align: none; mso-line-height-rule: exactly" 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-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">A. to control vty access into a router<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-layout-grid-align: none; mso-line-height-rule: exactly" 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-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">B. to control broadcast traffic through a router<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-layout-grid-align: none; mso-line-height-rule: exactly" 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-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">C. to filter traffic as it passes through a router<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-layout-grid-align: none; mso-line-height-rule: exactly" 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: 13.3pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">D. to filter traffic that originates from the router<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-layout-grid-align: none; mso-line-height-rule: exactly" 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-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">E. to replace passwords as a line of defense against security incursions </FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman"><o:p></o:p></FONT></SPAN> </P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">Answer: AC</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">解释:在我们CCNA所学的ACL(访问控制列表)的范围内,我们只学了他的两种用法</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman"> 1.过滤穿越路由器的流量,注意一定是穿越,如果是路由器自己发起的流量,ACL是不起任何作用的</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman"> 2.在VTY线路下引用访问控制列表,作用是限制哪些用户可以远程登陆到路由器上来.</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman"> 当然ACL不仅仅只有这两种用处,比如在路由过滤,QOS,以及很多地方,我们都会大量的使用ACL,这就是NP的知识了</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 23.3pt; LINE-HEIGHT: 12.65pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-line-height-rule: exactly" align=left><SPAN lang=EN-US style="FONT-SIZE: 11pt; COLOR: black; mso-font-kerning: 0pt"><FONT face="Times New Roman">本帖隐藏的内容需要回复才可以浏览 </P>
<P><STRONG><FONT color=red>相关连接:</FONT></STRONG></P>
<P><SPAN id=thread_6800><A style="FONT-WEIGHT: bold; COLOR: green" href="http://bbs.edify.com.cn/thread-6800-1-1.html">Cisco 640-802v13++题库祥解系列[艾迪飞双CCIE黄老师主讲]</A></SPAN> </P> |
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