📄 hcne题目一 cisco、华为、juniper及网络技术.htm
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<table border='0' cellspacing='0' cellpadding='0' width='100%'><TR><TD> 当前栏目:<A HREF='FLMEN.ASP?MENULB=619考试认证&MENUJB=2'>考试认证</A>><A HREF='FLMEN.ASP?MENULB=119华为认证&MENUJB=3'>华为认证</A>></td><td><TABLE WIDTH='100%' cellspacing='0' cellpadding='0'><TR><td></td><TD align='right'><FONT COLOR='#888888'>2005年2月27日 来自:<a target='_blank' href=' '>互联网技术在线</a> 作者:2uMM [<a href='xxlr.asp?menulb=119华为认证&menujb=3'>返回</a>] </FONT></TD></TR></TABLE></TD></TR></table>
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<TABLE WIDTH='98%' cellpadding='0' cellspacing='0' border='0' height='400'><TR><td background='' valign='top' ><TABLE WIDTH='100%' height='24' background='img/subindex_bar_long_ed2.gif' cellspacing='0' cellpadding='0'><TR><TD align='center'><FONT style='font-size: 12pt' >HCNE题目一</FONT></TD></TR></TABLE><br><font color='#5555a5'>第1页</font><BR><table width='100%' height='250'><tr><td valign='top'> <P> </P>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">选择题：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">每题</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">5 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">分，共</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">300 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">分</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">)<BR>1</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">OSI 7 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">层模型中，网络层的功能有</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、确保数据的传送正确无误</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、确定数据包如何转发与路由</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、在信道上传送比特流</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、纠错与流控</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"> <?xml:namespace prefix = o /><o:p></o:p></FONT></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">FDDI </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">使用的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">___</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">局域网技术。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、以太网；</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、快速以太网；</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、令牌环；</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、令牌总线。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、下面那种</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">LAN </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">是应用</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">CSMA/CD</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">协议的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、令牌环</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、</FONT></SPAN><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">FDDI<BR>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">ETHERNET<BR>D</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">NOVELL<o:p></o:p></FONT></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">4</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">TCP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">UDP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">协议的相似之处是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、面向连接的协议</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、面向非连接的协议</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、传输层协议</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、以上均不对</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">5</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、应用程序</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">PING </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">发出的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">___</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">报文。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">TCP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">请求报文。</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">TCP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">应答报文。</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">ICMP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">请求报文。</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">ICMP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">应答报文。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、以下说法错误的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">多</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">)<SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">BD</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、中继器是工作在物理层的设备</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、集线器和以太网交换机工作在数据连路层</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、路由器是工作在网络层的设备</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、桥能隔离网络层广播</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">7</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、当桥接收的分组的目的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MAC</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址在桥的映射表中没有对应的表项时，采取的策略是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、丢掉该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、将该分组分片</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、向其他端口广播该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、以上答案均不对</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">8</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">LAN Switch </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">在网络层次模型中的地位</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、物理层</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、链路层</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、网络层</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、以上都不是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">9</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、小于</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">___</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">TCP/UDP</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">端口号已保留与现有服务一一对应，此数字以上的端口号可自由分配。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、</FONT></SPAN><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">199<BR>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><FONT face="Times New Roman"><?xml:namespace prefix = st1 /><st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="100" unitname="C"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black">100<BR></SPAN></st1:chmetcnv><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black">C</SPAN></FONT><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">1024<BR>D</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">2048<o:p></o:p></FONT></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、当一台主机从一个网络移到另一个网络时，以下说法正确的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、必须改变它的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MAC </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、必须改变它的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址，但不需改动</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MAC </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、必须改变它的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MAC </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址，但不需改动</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MAC </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址都不需改动</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">11</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IEEE802.5 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">标准是指</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、以太网</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、令牌总线网</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、令牌环网</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">FDDI </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">网</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">12</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">ARP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">协议的作用是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">D</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、将端口号映射到</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、连接</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">层和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">TCP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">层</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、广播</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、将</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址映射到第二层地址</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">13</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">CONSOLE </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">控制台电缆使用的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">8 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">芯非屏蔽双绞线</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">8 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">芯屏蔽双绞线</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">6 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">芯非屏蔽双绞线</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">6 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">芯屏蔽双绞线</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">14</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">V.24 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">电缆异步工作方式下的最大传输速率是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、</FONT></SPAN><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">64000bps<BR>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">128000bps<BR>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">115200bps<BR>D</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">2048000bps<o:p></o:p></FONT></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">15</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">10BASE-T</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">是指</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、粗同轴电缆</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、细同轴电缆</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、双绞线</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、光纤</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">16</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、如果要将两计算机通过双绞线直接连接，正确的线序是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">1--1</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">2--2</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">3--3</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">4--4</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">5--5</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">6--6</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">7--7</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">8--8<BR>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">1--2</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">2--1</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">3--6</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">4--4</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">5--5</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">6--3</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">7--7</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">8-</FONT></SPAN></FONT><FONT size=2><FONT face="Times New Roman"><st1:chmetcnv tcsc="0" numbertype="1" negative="True" hasspace="False" sourcevalue="8" unitname="C"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black">-8<BR></SPAN></st1:chmetcnv><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black">C</SPAN></FONT><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">1--3</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">2--6</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">3--1</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">4--4</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">5--5</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">6--2</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">7--7</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</SPAN></FONT><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">8--8<BR>D</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、两计算机不能通过双绞线直接连接</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">*17</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、路由器的数据连路层收到报文的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MTU </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">大于该路由器将要发出接口的最大</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">MTU </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">时，采取的策略是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、丢掉该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、将该分组分片</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、向源路由器发出请求，减小其分组大小</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、直接转发该分组</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">18</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、当路由器接收的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">报文的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">TTL </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">值等于</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">0 </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">时，采取的策略是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、丢掉该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、将该分组分片</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、转发该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、以上答案均不对</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">19</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、当路由器接收的报文的目的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">IP</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址在路由器路由表中没有对应的表项时，采取的策略是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><SPAN><FONT face="Times New Roman"> </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、丢掉该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、将该分组分片</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、转发该分组</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、以上答案均不对</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">20</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、通过拨号方式在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">aux</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">口配置路由器时应该</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman"><SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">A</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、先对</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">modem</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">加电，再对路由器加电</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、先对路由器加电，再对</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">modem</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">加电</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体"><FONT size=2>、将异步模式设为直接方式</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>D</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、将异步模式设为交互方式</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt"><FONT size=2><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">21</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、可以通过以下哪些方式对路由器进行配置</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">多</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">)<SPAN> </SPAN><SPAN> </SPAN><SPAN> </SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">ABCD</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>A</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、通过</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">console</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">口进行本地配置</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>B</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、通过</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">aux </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">进行远程配置</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><BR><FONT face="Times New Roman" size=2>C</FONT></SPAN><FONT size=2><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、通过</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black"><FONT face="Times New Roman">telnet </FONT></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR:⌨️ 快捷键说明
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