📄 模拟考试26.htm
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<TD align=left height=212 width=607> ISO还定义了5个管理功能域， (37)
属于性能管理域。©) <BR>答： <INPUT class=radio name=text1562
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.故障告警<BR> <INPUT class=radio name=text1562
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.软件管理<BR> <INPUT class=radio name=text1562
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.2E作负载监视<BR> <INPUT class=radio name=text1562
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.访问控制<BR></TD></TR>
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<TD align=middle height=212 width=29>17 </TD>
<TD align=left height=212 width=607>
最新提出的IEEE802．1la标准可提供的最高数据速率为 (45) 。©) <BR>答： <INPUT class=radio
name=text1577 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.1Mb／s<BR> <INPUT class=radio name=text1577
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.2Mb／s<BR> <INPUT class=radio name=text1577
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.5.5Mb／s<BR> <INPUT class=radio name=text1577
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.54Mb／s<BR></TD></TR>
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<TD align=middle height=212 width=29>18 </TD>
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采用可变长子网掩码技术可以把大的网络分成小的子网，例如把子网掩码为255．255．0．0的网络40．15．0．0分为两个子网，假设第一个子网为40．15．0．0／17，则第二个子网为
(46) 。©) <BR>答： <INPUT class=radio name=text1578
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.40．15．1．0／17<BR> <INPUT class=radio
name=text1578 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.40．15．2．0／17<BR> <INPUT class=radio
name=text1578 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.40．15．100．0／17<BR> <INPUT class=radio
name=text1578 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.40．15．128．0／17<BR></TD></TR>
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<TD align=middle height=212 width=29>19 </TD>
<TD align=left height=212 width=607>
采用可变长子网掩码技术可以把大的网络分成小的子网，假设给用户X2分配的C类网络号为196．25．16．0～196．25．31．0，则X2的子网掩码应为
(49) ©) <BR>答： <INPUT class=radio name=text1583
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.255．255．255．0 <BR> <INPUT class=radio
name=text1583 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.255．255．250．0 <BR> <INPUT class=radio
name=text1583 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.255．255．248．0<BR> <INPUT class=radio
name=text1583 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.255．255．240．0<BR></TD></TR>
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<TD align=middle height=212 width=29>20 </TD>
<TD align=left height=212 width=607>
在Linux操作系统下安装网卡，如果操作系统没有内置的驱动程序，那么用户必须 (52) ©) <BR>答： <INPUT
class=radio name=text1588 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.用ifconfig命令配置网卡<BR> <INPUT class=radio
name=text1588 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.手工修改‘／dev／eth0’文件<BR> <INPUT class=radio
name=text1588 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.手工安装驱动程序且重新编译Linux内核<BR> <INPUT class=radio
name=text1588 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.重启操作系统<BR></TD></TR>
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<TD align=middle height=212 width=29>21 </TD>
<TD align=left height=212 width=607>
在自治系统内部的各个路由器之间，运行的是内部网关协议IGP。它执行 (57) 。©) <BR>答： <INPUT class=radio
name=text1594 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.路由选择算法<BR> <INPUT class=radio name=text1594
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.距离矢量算法<BR> <INPUT class=radio name=text1594
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.链路状态算法<BR> <INPUT class=radio name=text1594
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.内部网关算法<BR></TD></TR>
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<TD align=middle height=212 width=29>22 </TD>
<TD align=left height=212 width=607>
在自治系统内部的各个路由器之间，运行的是内部网关协议IGP。当网络规模扩大时，该算法传送的路由信息太多，增加了网络负载，后来又出现了执行最短路径优先算法的IGP。按照这种协议，每个路由器向网络中的其他路由器发布
(58) ©) <BR>答： <INPUT class=radio name=text1596
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.它连接的所有链路的状态信息<BR> <INPUT class=radio
name=text1596 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.它的路由表<BR> <INPUT class=radio name=text1596
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.与它相邻的路由器的地址<BR> <INPUT class=radio
name=text1596 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.所有目标结点的URL<BR></TD></TR>
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<TD align=middle height=212 width=29>23 </TD>
<TD align=left height=212 width=607>
在自治系统内部的各个路由器之间，运行的是内部网关协议IGP。当网络规模扩大时，该算法传送的路由信息太多，增加了网络负载，后来又出现了执行最短路径优先算法的IGP。当路由信息改变后，路由器按照
(59) 算法更新路由表。©) <BR>答： <INPUT class=radio name=text1598
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.Diikstra<BR> <INPUT class=radio
name=text1598 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.Ford-Fulkerson<BR> <INPUT class=radio
name=text1598 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.Floyd<BR> <INPUT class=radio name=text1598
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.WarshaH<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>24 </TD>
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在自治系统内部的各个路由器之间，运行的是内部网关协议IGP。在不同自治系统的路由器之间，运行外部网关协议EGP，典型的EGP是 (60) 。©)
<BR>答： <INPUT class=radio name=text1599
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.RIP<BR> <INPUT class=radio name=text1599
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.GGP<BR> <INPUT class=radio name=text1599
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.BGP<BR> <INPUT class=radio name=text1599
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.OSPP<BR></TD></TR>
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<TD align=middle height=212 width=29>25 </TD>
<TD align=left height=212 width=607> 在用户平面采用的协议是 (62) 。©)
<BR>答： <INPUT class=radio name=text1601
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.X．28<BR> <INPUT class=radio name=text1601
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.HDLC<BR> <INPUT class=radio name=text1601
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.LAP-D<BR> <INPUT class=radio name=text1601
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.LAP-F<BR></TD></TR>
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<TD align=middle height=212 width=29>26 </TD>
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如果沿着帧传送方向出现了拥塞，则把帧地址字段中的， (63) 位设置为1©) <BR>答： <INPUT class=radio
name=text1603 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.BECN<BR> <INPUT class=radio name=text1603
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.FECN<BR> <INPUT class=radio name=text1603
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.DECN<BR> <INPUT class=radio name=text1603
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.TECN<BR></TD></TR>
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<TD align=middle height=212 width=29>27 </TD>
<TD align=left height=212 width=607> IEEE802.5令牌环（Tokenm
Ring）网中，时延是由__(1)__决定。©) <BR>答： <INPUT class=radio name=text1643
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.站点时延和信号传话时延<BR> <INPUT class=radio
name=text1643 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.令牌帧长短和数据帧长短<BR> <INPUT class=radio
name=text1643 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.电缆长度和站点个数<BR> <INPUT class=radio
name=text1643 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.数据传输单和信号传播速度<BR></TD></TR>
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<TD align=middle height=212 width=29>28 </TD>
<TD align=left height=212 width=607> IEEE802.5令牌环（Tokenm
Ring）网中，要保证环网的正常运行，环的时延必须有一个最低限度，即__(2)__。©) <BR>答： <INPUT
class=radio name=text1644 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.数据帧长<BR> <INPUT class=radio name=text1644
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.令牌帧长<BR> <INPUT class=radio name=text1644
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.信号传播时延<BR> <INPUT class=radio name=text1644
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
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