📄 模拟考试2.htm
字号:
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.数字签名<BR> <INPUT class=radio name=text1557
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.密钥分发<BR></TD></TR>
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<TD align=middle height=212 width=29>16 </TD>
<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>
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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>18 </TD>
<TD align=left height=212 width=607>
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，则代理发出 (39)
报文。©) <BR>答： <INPUT class=radio name=text1566
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.Information<BR> <INPUT class=radio
name=text1566 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.Exception<BR> <INPUT class=radio
name=text1566 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.Trap<BR> <INPUT class=radio name=text1566
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.Interrupt<BR></TD></TR>
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<TD align=middle height=212 width=29>19 </TD>
<TD align=left height=212 width=607>
IEEE802．11的物理层规定了三种传输技术，即红外技术、直接序列扩频(DSSS)和跳频扩频(FHSS)技术，后两种扩频技术都工作在 (42)
的ISM频段。©) <BR>答： <INPUT class=radio name=text1572
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.600MHz<BR> <INPUT class=radio name=text1572
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.800MHz<BR> <INPUT class=radio name=text1572
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.2．4GHz<BR> <INPUT class=radio name=text1572
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.19．2GHz<BR></TD></TR>
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<TD align=middle height=212 width=29>20 </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>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，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>
<TR class=trh1>
<TD align=middle height=212 width=29>22 </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，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，假设用户Xl有2000台主机，则至少应给他分配
(47) 个C类网络©) <BR>答： <INPUT class=radio name=text1579
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.4<BR> <INPUT class=radio name=text1579
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.8<BR> <INPUT class=radio name=text1579
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.10<BR> <INPUT class=radio name=text1579
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.16<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。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>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>
<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>27 </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>28 </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
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