📄 模拟考试6.htm
字号:
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.TCP/IP 协议族<BR> <INPUT class=radio
name=text1719 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.X.25 协议族<BR> <INPUT class=radio
name=text1719 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.帧中继协议族<BR> <INPUT class=radio name=text1719
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.ATM 协议族<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>42 </TD>
<TD align=left height=212 width=607> N-ISDN
是在__(41)__基础上建立起来的网络©) <BR>答： <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.电话网<BR> <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.有线电视网<BR> <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.公用数据网<BR> <INPUT class=radio name=text1721
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.接入网<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>43 </TD>
<TD align=left height=212 width=607> ATM
网络中使用信元作为传输数据的单位，当信元从用户端进入网络中第一个交换机后，信元头中修改的部分是__(51)__。©) <BR>答：
<INPUT class=radio name=text1958 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.VCI<BR> <INPUT class=radio name=text1958
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.GFC<BR> <INPUT class=radio name=text1958
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.CLP<BR> <INPUT class=radio name=text1958
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.PT<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>44 </TD>
<TD align=left height=212 width=607> ATM
网络中使用信元作为传输数据的单位，当需要传输压缩的视频流数据时，采用的服务类别最好是__(54)___。 ©) <BR>答：
<INPUT class=radio name=text1961 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.CBR <BR> <INPUT class=radio name=text1961
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.ABR <BR> <INPUT class=radio name=text1961
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.UBR <BR> <INPUT class=radio name=text1961
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.rt-VBR <BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>45 </TD>
<TD align=left height=212 width=607> 配置 WWW 服务器是 UNIX
操作平台的重要工作之一，而 Apach 目前是应用最为广泛的 Web 服务器产品之一，__(56)__是 apache 的主要配置文件。©)
<BR>答： <INPUT class=radio name=text1963
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.httpd.conf<BR> <INPUT class=radio
name=text1963 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.srm.conf<BR> <INPUT class=radio
name=text1963 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.access.conf<BR> <INPUT class=radio
name=text1963 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.apache.conf<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>46 </TD>
<TD align=left height=212 width=607> URL
根目录与服务器本地目录之间的映射关系是通过指令__(57)__设定©) <BR>答： <INPUT class=radio
name=text1964 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.WWWroot<BR> <INPUT class=radio name=text1964
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.ServerRoot<BR> <INPUT class=radio
name=text1964 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.ApacheRot<BR> <INPUT class=radio
name=text1964 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.DocumentRoot<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>47 </TD>
<TD align=left height=212 width=607> 指令 ServerAdmin
的作用是__(58)__©) <BR>答： <INPUT class=radio name=text1965
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.设定该WWW服务器的系统管理员账号<BR> <INPUT class=radio
name=text1965 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.设定系统管理员的电子邮件地址<BR> <INPUT class=radio
name=text1965 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.指明服务器运行时的用户账号，服务器进程拥有该账号的所有权限<BR> <INPUT
class=radio name=text1965 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.指定服务器 WWW 管理界面的 URL，包括虚拟目录、监听端口等信息<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>48 </TD>
<TD align=left height=212 width=607> 设置 index.html 或
default.html 为目录下默认文档的指令是__(59)__©) <BR>答： <INPUT class=radio
name=text1966 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.IndexOptions<BR> <INPUT class=radio
name=text1966 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.DirectoryIndex<BR> <INPUT class=radio
name=text1966 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.DirectoryDefault<BR> <INPUT class=radio
name=text1966 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.Indexlgnore<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>49 </TD>
<TD align=left height=212 width=607> 信元是信元交换的单位。为控制差错，在信元中包括
CRC 校验和，其生成公式为 ___(6)___©) <BR>答： <INPUT class=radio name=text1972
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.x8＋x7＋x＋1<BR> <INPUT class=radio
name=text1972 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.x8＋x2＋x＋1<BR> <INPUT class=radio
name=text1972 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.x16＋x12＋x＋1<BR> <INPUT class=radio
name=text1972 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.x16＋x15＋x2＋1<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>50 </TD>
<TD align=left height=212 width=607> 元是信元交换的单位。为控制差错，在信元中包括
CRC 校验和，校验和对___(7)___进行校验。 ©) <BR>答： <INPUT class=radio
name=text1973 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.整个信元<BR> <INPUT class=radio name=text1973
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.信元头<BR> <INPUT class=radio name=text1973
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.信元载荷(用户数据)<BR> <INPUT class=radio
name=text1973 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.信元的地址域<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>51 </TD>
<TD align=left height=212 width=607> 信元交换在交换过程中，当实施 VP 交换时，其中
VPl、VCI 的变化情况是___(9)___。 ©) <BR>答： <INPUT class=radio name=text1975
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=A>A.
VPI、VCI都不变<BR> <INPUT class=radio name=text1975
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.VPI、VCI根据需要变化<BR> <INPUT class=radio
name=text1975 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.VPI不变、VCI根据需要变化<BR> <INPUT class=radio
name=text1975 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.VCI不变、VPI根据需要变化<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>52 </TD>
<TD align=left height=212 width=607> RS-232 是 DTE 和 DCE
之间的接口标准，当作为 DCE 的 MODEM 和作为 DTE 的计算机相连时，按此标准需要连接的最少线数是___(11)___。©) <BR>答：
<INPUT class=radio name=text1977 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.3<BR> <INPUT class=radio name=text1977
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.9<BR> <INPUT class=radio name=text1977
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.15<BR> <INPUT class=radio name=text1977
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.25<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>53 </TD>
<TD align=left height=212 width=607> 当使用 RS-232
通信时，通常需要使用速率匹配功能，完成该功能的协议是___(15)___。©) <BR>答： <INPUT class=radio
name=text1981 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.TELNET<BR> <INPUT class=radio name=text1981
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=B>B.
XON/XOFF<BR> <INPUT class=radio name=text1981
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.KERMIT<BR> <INPUT class=radio name=text1981
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.XMODEM<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>54 </TD>
<TD align=left height=212 width=607> 对一路信号进行 FSK 调制时，若载⌨️ 快捷键说明
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