📄 模拟考试1.htm
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<TD align=middle height=212 width=29>16 </TD>
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IAB制定的网络管理协议是SNMP，在SNMP管理框架中使用的管理信息库为 (38) 。©) <BR>答： <INPUT
class=radio name=text1565 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.MIB—1<BR> <INPUT class=radio name=text1565
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.MIB-2<BR> <INPUT class=radio name=text1565
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.MIB—3<BR> <INPUT class=radio name=text1565
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.MIB-4<BR></TD></TR>
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<TD align=middle height=212 width=29>17 </TD>
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管理站(Manager)通过GetRequest命令查询代理(Agent)中的管理信息库，如果代理需要向管理站报告一个异常事件， (40)
事件不属于异常事件。©) <BR>答： <INPUT class=radio name=text1567
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.系统重启动<BR> <INPUT class=radio name=text1567
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.链路失效<BR> <INPUT class=radio name=text1567
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.报文认证失败<BR> <INPUT class=radio name=text1567
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.检索的变量不存在<BR></TD></TR>
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<TD align=middle height=212 width=29>18 </TD>
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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>19 </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>20 </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，如果分配给用户Xl的网络号为196．25．64．0，则指定给Xl的子网掩码为 (48) ©)
<BR>答： <INPUT class=radio name=text1581
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.255．255．255．0<BR> <INPUT class=radio
name=text1581 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.255．255．250．0<BR> <INPUT class=radio
name=text1581 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.255．255．248．0<BR> <INPUT class=radio
name=text1581 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>21 </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，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>22 </TD>
<TD align=left height=212 width=607> Linux中一种常用的引导工具是 (51) ©)
<BR>答： <INPUT class=radio name=text1586
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.reboot<BR> <INPUT class=radio name=text1586
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.1ilo<BR> <INPUT class=radio name=text1586
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.gone<BR> <INPUT class=radio name=text1586
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.restart<BR></TD></TR>
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<TD align=middle height=212 width=29>23 </TD>
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如果不打算使用DNS或者NIS进行地址解析，则必须将所有的主机名都放入文件 (54) 中©) <BR>答： <INPUT
class=radio name=text1591 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.／dev／hosts<BR> <INPUT class=radio
name=text1591 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.／dev／networks<BR> <INPUT class=radio
name=text1591 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.／etc／hosts<BR> <INPUT class=radio
name=text1591 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.／em／networks<BR></TD></TR>
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<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。早期的IGP叫做_(56) ©) <BR>答： <INPUT
class=radio name=text1593 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.RIP<BR> <INPUT class=radio name=text1593
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.GGP<BR> <INPUT class=radio name=text1593
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.BGP<BR> <INPUT class=radio name=text1593
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.OSPF<BR></TD></TR>
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<TD align=middle height=212 width=29>25 </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。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>26 </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>27 </TD>
<TD align=left height=212 width=607> 帧中继网的虚电路建立在 (61) ©)
<BR>答： <INPUT class=radio name=text1600
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.数据链路层<BR> <INPUT class=radio name=text1600
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.网络层<BR> <INPUT class=radio name=text1600
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.传输层<BR> <INPUT class=radio name=text1600
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.会话层<BR></TD></TR>
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<TD align=middle height=212 width=29>28 </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'"
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