📄 模拟考试3.htm
字号:
value=D>D.60<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>16 </TD>
<TD align=left height=212 width=607> IPv6是下一代IP协议。一个数据流由 (28)
命名。©) <BR>答： <INPUT class=radio name=text1548
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.源地址、目标地址和流名称<BR> <INPUT class=radio
name=text1548 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.源地址、目标地址和流序号<BR> <INPUT class=radio
name=text1548 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.源地址、端口号和流序号<BR> <INPUT class=radio
name=text1548 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.MAC地址、端口号和流名称<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>17 </TD>
<TD align=left height=212 width=607> (30)
是IPv6的测试床，实际上是一个基于IPv4的虚拟网络，用于研究和测试IPv6的标准、实现以及IPv4向IPv6的转变过程。©) <BR>答：
<INPUT class=radio name=text1550 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.6bone<BR> <INPUT class=radio name=text1550
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.6bed<BR> <INPUT class=radio name=text1550
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.6backbone <BR> <INPUT class=radio
name=text1550 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.6plane<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>18 </TD>
<TD align=left height=212 width=607>
A向B发送消息P，并使用公钥体制进行数字签名。Kerberos是MIT为校园网设计的身份认证系统，该系统利用智能卡产生 (33)
密钥，可以防止窃听者捕获认证信息。©) <BR>答： <INPUT class=radio name=text1555
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.私有<BR> <INPUT class=radio name=text1555
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.加密<BR> <INPUT class=radio name=text1555
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.一次性<BR> <INPUT class=radio name=text1555
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.会话<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>19 </TD>
<TD align=left height=212 width=607>
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>
<TR class=trh1>
<TD align=middle height=212 width=29>20 </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， (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>
<TR class=trh1>
<TD align=middle height=212 width=29>21 </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>
<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>23 </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>
<TR class=trh1>
<TD align=middle height=212 width=29>24 </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>
<TR class=trh1>
<TD align=middle height=212 width=29>25 </TD>
<TD align=left height=212 width=607>
为一块设备名为eth0的网卡分配p地址和子网掩码的命令是： (53) ©) <BR>答： <INPUT class=radio
name=text1590 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.serserialeth0202．112．58．200netmask255．255．255．0<BR>
<INPUT class=radio name=text1590 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.ifconfigeth0202．112．58．200netmask255．255．255．0<BR>
<INPUT class=radio name=text1590 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.minicometh0202．112．58．200netmask255．255．255．0<BR>
<INPUT class=radio name=text1590 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.mounteth0202．112．58．200netmask255．255．255．0<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>26 </TD>
<TD align=left height=212 width=607>
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>
<TR class=trh1>
<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。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>
<TR class=trh1>
<TD align=middle height=212 width=29>28 </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'"
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -