?? 模擬考試28.htm
字號:
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.單方向<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>41 </TD>
<TD align=left height=212 width=607> TCP
是一個面向連接的協議，為了提高效率，又引入了滑動窗口協議，這種分組的數量最多可以__(34)__©) <BR>答： <INPUT
class=radio name=text1710 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.是任意的<BR> <INPUT class=radio name=text1710
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.1個<BR> <INPUT class=radio name=text1710
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.大于滑動窗口的大小<BR> <INPUT class=radio
name=text1710 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.等于滑動窗口的大小<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>42 </TD>
<TD align=left height=212 width=607> CMOT
是要在__(40)__上實現公共管理信息服務協議（CMIS）的服務，它是一個過渡性的解決方案，希望過渡到 OSI 網絡管理協議被廣泛采用。 ©)
<BR>答： <INPUT class=radio name=text1719
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.TCP/IP 協議族<BR> <INPUT class=radio
name=text1719 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.X.25 協議族<BR> <INPUT class=radio
name=text1719 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.幀中繼協議族<BR> <INPUT class=radio name=text1719
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.ATM 協議族<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>43 </TD>
<TD align=left height=212 width=607> N-ISDN傳輸聲音需要使用__(43)__©)
<BR>答： <INPUT class=radio name=text1724
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=A>A.A
通路<BR> <INPUT class=radio name=text1724
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=B>B.B
通路<BR> <INPUT class=radio name=text1724
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=C>C.C
通路<BR> <INPUT class=radio name=text1724
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=D>D.D
通路<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>44 </TD>
<TD align=left height=212 width=607> 當計算機需要通過相連的 MORDEM
發送數據時，依次設置的信號是__(50)__。©) <BR>答： <INPUT class=radio name=text1957
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.MODEM就緒→
DTE就緒→請求發送→允許發送→發數據→清請求發送→清允許發送→清MODEM就緒→清DTE就緒<BR>
<INPUT class=radio name=text1957 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.MODEM就緒→DTE就緒→請求發送→允許發送→發數據→清請求發送→清允許發送→清DTE就緒→清MODEM就緒<BR>
<INPUT class=radio name=text1957
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.DTE就緒→MODEM就緒→請求發送→允許發送→發數據→清請求發送→清允許發送→清MODEM就緒→清DTE就緒<BR>
<INPUT class=radio name=text1957
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.DTE就緒→MODEM就緒→請求發送→允許發送→發數據→清請求發送→清允許發送→清DTE就緒→清MODEM就緒<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>45 </TD>
<TD align=left height=212 width=607> 信元傳輸采用__(52)__。©) <BR>答：
<INPUT class=radio name=text1959 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=A>A.
TDM<BR> <INPUT class=radio name=text1959
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.FDM<BR> <INPUT class=radio name=text1959
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.WDM<BR> <INPUT class=radio name=text1959
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.ATDM<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>46 </TD>
<TD align=left height=212 width=607> 當 AAL 層采用 AAL5
協議傳輸數據時，可以達到的有效數據傳輸率（除去開銷）為__(55)__。 ATM 網絡中使用信元作為傳輸數據的單位， ©) <BR>答：
<INPUT class=radio name=text1962 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.85% <BR> <INPUT class=radio name=text1962
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.87%<BR> <INPUT class=radio name=text1962
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.89%<BR> <INPUT class=radio name=text1962
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.90% <BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>47 </TD>
<TD align=left height=212 width=607> URL
根目錄與服務器本地目錄之間的映射關系是通過指令__(57)__設定©) <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>48 </TD>
<TD align=left height=212 width=607>
如果允許以“http://www.xxx.edu.cn/~username”方式訪問用戶的個人主頁，必須通過__(60)__指令設置個人主頁文檔所在的目錄。©)
<BR>答： <INPUT class=radio name=text1967
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.VirtualHost<BR> <INPUT class=radio
name=text1967 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.VirtualDiretory<BR> <INPUT class=radio
name=text1967 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.UserHome<BR> <INPUT class=radio
name=text1967 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.Userdir<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>49 </TD>
<TD align=left height=212 width=607>
下圖為曼徹斯特編碼(表示的數據可能為___(1)___©) <BR>
<CENTER><IMG border=0 src="模擬考試28.files/2004813165711.bmp">
</CENTER><BR>答： <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.10100<BR> <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.01110<BR> <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.10101<BR> <INPUT class=radio name=text1968
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.00011<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>50 </TD>
<TD align=left height=212 width=607>
為了在廣域網上高速傳輸數字信號，一般可用的編碼方式是___(3)___©) <BR>答： <INPUT class=radio
name=text1970 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio value=A>A.
NRZ<BR> <INPUT class=radio name=text1970
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.AMI<BR> <INPUT class=radio name=text1970
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.曼徹斯特<BR> <INPUT class=radio name=text1970
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=D>D.8B/10B<BR></TD></TR>
<TR class=trh1>
<TD align=middle height=212 width=29>51 </TD>
<TD align=left height=212 width=607> 元是信元交換的單位。為控制差錯，在信元中包括
CRC 校驗和，校驗和對___(7)___進行校驗。 ©) <BR>答： <INPUT class=radio
name=text1973 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.整個信元<BR> <INPUT class=radio name=text1973
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=B>B.信元頭<BR> <INPUT class=radio name=text1973
onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=C>C.信元載荷(用戶數據)<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>52 </TD>
<TD align=left height=212 width=607> RS-232 是 DTE 和 DCE
之間的接口標準，當作為 DCE 的 MODEM 和作為 DTE 的計算機相連時，按此標準需要連接的最少線數是___(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> MODEM
收到呼叫信號后向計算機發送的信號是___(12)___。©) <BR>答： <INPUT class=radio
name=text1978 onblur="this.className='radio'"
onfocus="this.className='inputedit';this.select()" type=radio
value=A>A.接收數據<BR> <INPUT class=radio name=text1978
onblur="this.classN?? 快捷鍵說明
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