📄 模拟考试10.htm
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在IPv6中，地址被扩充为128位，并且为IPv4保留了一部分地址空间。按照IPv6的地址表示方法，以下地址中属于IPv4地址的是 (29) 。©)
<BR>答： <INPUT class=radio name=text1549
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.0000：0000：0000：0000：0000：FFFF：1234：1180<BR>
<INPUT class=radio name=text1549 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.0000：0000：0000：1111：111t：FFFF：1234：1180<BR>
<INPUT class=radio name=text1549 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.0000：0000：FFFF：FFFF：FFFF：FFFF：1234：1180<BR>
<INPUT class=radio name=text1549 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.FFFF：FFFF：FFFF：FFFF：FFFF：FFFF：1234：1180<BR></TD></TR>
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<TD align=middle height=212 width=29>17 </TD>
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A向B发送消息P，并使用公钥体制进行数字签名。另外报文中还加入了 (35) ，用于防止重发攻击(replay attack)。©) <BR>答：
<INPUT class=radio name=text1559 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.伪随机数<BR> <INPUT class=radio name=text1559
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.时间标记<BR> <INPUT class=radio name=text1559
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.私有密钥<BR> <INPUT class=radio name=text1559
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.数字签名<BR></TD></TR>
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<TD align=middle height=212 width=29>18 </TD>
<TD align=left height=212 width=607> 国际标准化组织制定的OSI网络管理协议是
(36) ©) <BR>答： <INPUT class=radio name=text1561
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.CMIP<BR> <INPUT class=radio name=text1561
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.LMMP<BR> <INPUT class=radio name=text1561
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.CMOT<BR> <INPUT class=radio name=text1561
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.SGMP<BR></TD></TR>
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<TD align=middle height=212 width=29>19 </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>20 </TD>
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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>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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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>24 </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>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。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>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。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>27 </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。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>28 </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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