📄 华为.htm
字号:
<div style='border:solid #E0E2E3 1.0pt;mso-border-alt:solid #E0E2E3 .75pt;
padding:0cm 0cm 0cm 0cm;margin-top:3.75pt;margin-bottom:3.75pt'>
<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="99%"
style='width:99.6%;mso-cellspacing:0cm;margin-left:9.0pt;mso-padding-alt:0cm 0cm 0cm 0cm'>
<tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes;mso-yfti-lastrow:yes'>
<td style='padding:0cm 0cm 0cm 0cm'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></p>
</td>
</tr>
</table>
</div>
<p class=MsoNormal align=center style='text-align:center'><b><span
style='font-size:10.5pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:black'><!-- subject -->华为笔试题</span></b><b><span
lang=EN-US style='font-size:10.5pt;font-family:Arial;color:#363636'><o:p></o:p></span></b></p>
<div style='margin-bottom:7.5pt'>
<p class=MsoNormal align=right style='text-align:right'><span lang=EN-US
style='font-size:9.0pt;font-family:Arial'> <o:p></o:p></span></p>
</div>
<div>
<div style='mso-element:para-border-div;border:solid #29B6DE 1.0pt;mso-border-alt:
solid #29B6DE .75pt;padding:0cm 0cm 0cm 0cm'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:15.0pt;border:none;mso-border-alt:solid #29B6DE .75pt;padding:0cm;
mso-padding-alt:0cm 0cm 0cm 0cm'><span lang=EN-US style='font-size:9.0pt;
font-family:Arial;color:#363636'><span style='mso-spacerun:yes'> </span><o:p></o:p></span></p>
</div>
</div>
<div style='mso-element:para-border-div;border:solid #29B6DE 1.0pt;mso-border-alt:
solid #29B6DE .75pt;padding:0cm 0cm 0cm 0cm;margin-left:-18.0pt;margin-right:
0cm'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:18.0pt;text-indent:-18.0pt;line-height:15.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 36.0pt;border:none;mso-border-alt:solid #29B6DE .75pt;
padding:0cm;mso-padding-alt:0cm 0cm 0cm 0cm'><![if !supportLists]><span
lang=EN-US style='font-size:10.0pt;mso-bidi-font-size:9.0pt;font-family:Symbol;
mso-fareast-font-family:Symbol;mso-bidi-font-family:Symbol;color:#363636'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US style='font-size:9.0pt;
font-family:Arial;color:#363636'>1</span><span style='font-size:9.0pt;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial;color:#363636'>、语音信号数字化过程中，采用的是的量化方法是非均匀量化。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
2</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>PCM30/32</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>路系统中，每个码的时间间隔是</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>488ns </span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
3</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>PCM30/32</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>路系统中，</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>TS0</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>用于传送帧同步信号，</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>TS16</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>用于传送话路信令。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
4</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>PCM30/32</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>路系统中，复帧的重复频率为</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>500HZ</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>，周期为</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>2ms</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
5</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、程控交换机的硬件可分为话路系统和中央控制系统两部分，整个交换机的控制软件都放在控制系统的存储器中。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
6</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、一般二氧化硅光纤的零色散波长在</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>1310nm</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>左右，而损耗最小点在</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>1550nm</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>波长左右。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
7</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>G.652</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>光纤是零色散波长在</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>1310nm</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>的单模光纤。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
8</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、光缆的基本结构由缆芯、加强元件和护套组成。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
9</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、常用的光缆结构形式有层绞式光缆、束管式光缆、骨架式光缆和带状式光缆。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
10</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、在网状网的拓扑结构中，</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>N</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>个节点完全互连需要</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>N</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>（</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>N-1</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>）</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>/2 </span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>条传输线路。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
11</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、在星型网的拓扑结构中，</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>N</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>个节点完全互连需要</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>N-1 </span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>条传输线路。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
12</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>ATM</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>技术是电路交换技术和分组交换技术的结合。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
13</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、根据</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>98</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>年发布的《自动交换电话（数字）网技术体制》，我国电话网分为三级。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
14</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、根据新的电话网体制，我国长途电话网分为二级。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
15</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、当电话网全网为三级时，两端局之间最大的串接电路段数为</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>5</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>段，串接交换中心最多为</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'>6</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>个。</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
16</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、新体制中一级长途交换中心（</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>DC1</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;color:#363636'>）为省（自治区、直辖市）长途交换中心，其职能主要是汇接所在省（自治区、直辖市）的省际长途来去话务和一级交换中心所在地的长途终端话务。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'> <br>
<br>
17</span><span style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;color:#363636'>、一级长途交换中心（</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:#363636'>DC1</span><span
style='font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;
mso-bidi-font-fami⌨️ 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 + -