📄 模拟考试4.htm
字号:
value=D>D.丢失重传和重复确认<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>41 </TD>
<TD align=left height=212 width=607> TCP
是一个面向连接的协议，为了提高效率，又引入了滑动窗口协议，协议规定重传__(33)__的分组©) <BR>答： <INPUT
class=radio name=text1708 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.未被确认及至窗口首端的所有分<BR> <INPUT class=radio
name=text1708 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.未被确认<BR> <INPUT class=radio name=text1708
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.未被确认及至退回N值的所有分组<BR> <INPUT class=radio
name=text1708 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.仅丢失的<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>42 </TD>
<TD align=left height=212 width=607> TCP
是一个面向连接的协议，为了提高效率，又引入了滑动窗口协议，这种分组的数量最多可以__(34)__©) <BR>答： <INPUT
class=radio name=text1710 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.是任意的<BR> <INPUT class=radio name=text1710
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.1个<BR> <INPUT class=radio name=text1710
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.大于滑动窗口的大小<BR> <INPUT class=radio
name=text1710 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.等于滑动窗口的大小<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>43 </TD>
<TD align=left height=212 width=607> TCP
是一个面向连接的协议，为了提高效率，又引入了滑动窗口协议，TCP协议采用滑动窗口协议解决了__(35)__。 ©) <BR>答：
<INPUT class=radio name=text1712 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.端到端的流量控制<BR> <INPUT class=radio
name=text1712 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.整个网络的拥塞控制<BR> <INPUT class=radio
name=text1712 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.端到端的流量控制和网络的拥塞控制<BR> <INPUT class=radio
name=text1712 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.整个网络的差错控制 <BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>44 </TD>
<TD align=left height=212 width=607> SNMP
协议管理操作中管理代理主动向管理进程报告事件的操作是__(38)__。©) <BR>答： <INPUT class=radio
name=text1715 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.get-request<BR> <INPUT class=radio
name=text1715 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.get-response<BR> <INPUT class=radio
name=text1715 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.trap<BR> <INPUT class=radio name=text1715
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.set-request<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>45 </TD>
<TD align=left height=212 width=607> 在 ISO OSI/RM
基础上的公共管理信息服务/公共管理信息协议 CMIS/CMIP 是一个完整的网络管理协议族，网络管理应用进程使用 OSI
参考模型的__(39)__。©) <BR>答： <INPUT class=radio name=text1717
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.网络层<BR> <INPUT class=radio name=text1717
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.传输层<BR> <INPUT class=radio name=text1717
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.已表示层<BR> <INPUT class=radio name=text1717
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.应用层<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>46 </TD>
<TD align=left height=212 width=607> N-ISDN
是在__(41)__基础上建立起来的网络©) <BR>答： <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.电话网<BR> <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.有线电视网<BR> <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.公用数据网<BR> <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.接入网<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>47 </TD>
<TD align=left height=212 width=607>
N-ISDN一路话音占用的数据传输率是__(44)__©) <BR>答： <INPUT class=radio
name=text1726 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.3KHz<BR> <INPUT class=radio name=text1726
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.3.4KHz<BR> <INPUT class=radio name=text1726
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.64Kbps<BR> <INPUT class=radio name=text1726
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.128Kbps <BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>48 </TD>
<TD align=left height=212 width=607> 当进行 VP 交换时，VPI 和 VCI
的变化情况是__(53)__。©) <BR>答： <INPUT class=radio name=text1960
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.VPI变化，VCI不变<BR> <INPUT class=radio
name=text1960 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.VPI不变，VCI变化<BR> <INPUT class=radio
name=text1960 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.VPI变化，VCI变化<BR> <INPUT class=radio
name=text1960 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.VPI不变，VCI不变<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>49 </TD>
<TD align=left height=212 width=607> ATM
网络中使用信元作为传输数据的单位，当需要传输压缩的视频流数据时，采用的服务类别最好是__(54)___。 ©) <BR>答：
<INPUT class=radio name=text1961 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.CBR <BR> <INPUT class=radio name=text1961
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.ABR <BR> <INPUT class=radio name=text1961
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.UBR <BR> <INPUT class=radio name=text1961
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.rt-VBR <BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>50 </TD>
<TD align=left height=212 width=607> 当 AAL 层采用 AAL5
协议传输数据时，可以达到的有效数据传输率（除去开销）为__(55)__。 ATM 网络中使用信元作为传输数据的单位， ©) <BR>答：
<INPUT class=radio name=text1962 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.85% <BR> <INPUT class=radio name=text1962
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.87%<BR> <INPUT class=radio name=text1962
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.89%<BR> <INPUT class=radio name=text1962
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.90% <BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>51 </TD>
<TD align=left height=212 width=607> URL
根目录与服务器本地目录之间的映射关系是通过指令__(57)__设定©) <BR>答： <INPUT class=radio
name=text1964 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.WWWroot<BR> <INPUT class=radio name=text1964
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.ServerRoot<BR> <INPUT class=radio
name=text1964 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.ApacheRot<BR> <INPUT class=radio
name=text1964 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.DocumentRoot<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>52 </TD>
<TD align=left height=212 width=607>
下图为曼彻斯特编码(表示的数据可能为___(1)___©) <BR>
<CENTER><IMG border=0 src="模拟考试4.files/2004813165711.bmp"> </CENTER><BR>答：
<INPUT class=radio name=text1968 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.10100<BR> <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.01110<BR> <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.10101<BR> <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.00011<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>53 </TD>
<TD align=left height=212 width=607> 信元是信元交换的单位。为控制差错，在信元中包括
CRC 校验和，其生成公式为 ___(6)___©) <BR>答： <INPUT class=radio name=text1972
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.x8＋x7＋x＋1<BR> <INPUT class=radio
name=text1972 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.x8＋x2＋x＋1<BR> <INPUT class=radio
name=text1972 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=r⌨️ 快捷键说明
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