冰天雪地后空翻跪求答案!

wczxb

<p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><b><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">选择题</span></b><font face="Times New Roman"><b><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span></b><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;">1</span></font><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">、（</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">）决定了可以从</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman">SDH</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">信号中直接分</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman">/</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">插出低速支路信号。</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp; </span>A</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：统一光接口</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>B</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：同步复用</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp; </span>C</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：丰富的开销比特</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>D</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：净负荷透明</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman">2</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">、对</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman">SDH</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">设备而言，当所有外部同步定时基准都丢失时，应选择工作与内部定时源的（</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">）</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp; </span>A</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：自由运行模式</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>B</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：保持模式</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp; </span><span style="mso-spacerun: yes;">&nbsp;</span>C</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：异步模式</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;;">：正常工作模式</span><span lang="EN-US" style="COLOR: black; mso-hansi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">3</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">、下列</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">EDFA</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">特点不正确的是（</span><span lang="EN-US" style="COLOR: black;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">）</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;</span>A</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：工作波长与单模光纤的最小衰减窗口一致</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>B</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：耦合效率高</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;</span>C</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：增益带宽平坦</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes;">&nbsp;</span>D</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：输出功率高</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">4</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">、关于</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">TMN</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">、</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMN</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">、</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMS</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">三者之间的关系，不正确的是（　　　　）</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">A</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMN</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">是管理</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SDH</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">的</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">TMN<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>B</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMS</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">是</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">TMN</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">的子集</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">C</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMN</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">由一系列的</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMS</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">组成</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>D</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">：</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">SMS</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">不属于</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">TMN</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">的范畴</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="COLOR: black; FONT-FAMILY: 宋体;">填空题<span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span></span></span></b><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">1、一条定时传输链路上最多可安排（ <span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>）个同步供给单元（SSU），（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）个SDH定时源。<p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">2、指针的作用是（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span><b>相位校准</b><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>）和（<span style="mso-spacerun: yes;">&nbsp; </span><b><span style="mso-spacerun: yes;">&nbsp;</span>频率跟踪校准</b><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>），其中（<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span><b>AU-PRT </b><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;</span>）指针用于指明高阶VC在AU中的起始位置，其在STM-1中的速率为（<span style="mso-spacerun: yes;">&nbsp; </span><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;</span>），指针值的范围在（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）。<p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体;">3、SDH中复用段保护环启动倒换保护的触发条件是（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）、（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）、（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）、（<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）。<p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">4</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">、光端机收信号通路没有信号提供给复用设备，这时复用设备会产生（</span><span lang="EN-US" style="COLOR: black;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">）告警，其</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 4pt 0cm; LINE-HEIGHT: 125%;"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">下游设备收到（</span><span lang="EN-US" style="COLOR: black;"><span style="mso-spacerun: yes;"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;;">）告警。</span><span style="COLOR: black;"><font face="Times New Roman">
                                <span lang="EN-US"><p></p></span></font></span></p><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">5</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">、再生中继器中均衡电路的作用是（　　　　　　）。</span>