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标题: [求助]急!有几道传输测试题,希望达人能帮忙做做! [查看完整版帖子] [打印本页]

时间: 2007-4-18 18:35

作者: nevsaynev 标题: [求助]急!有几道传输测试题,希望达人能帮忙做做!

明天要去笔试了,找了几道试题，自己做了一下,由于没有标准答案，也不知自己做的是否对?所以想求坛子中的大虾帮忙看看，给个标准答案最好.谢谢了!!!!!问答题:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">1.请阐述<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">ECC<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">非标准协议栈和标准协议栈的区别和各自的工作原理。<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">2.在SDH环网中，公务和时钟的配置应注意哪些注意事项，为什么？针对这些注意事项应采取哪些措施<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">3.<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">10G<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">设备<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">APS<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">协议处理在交叉板，那<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">k1,k2<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">字节其他板就不要处理，对吗<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">？请简述理由。<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">应用题:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">1、在下面的32路DWDM系统中，设此合波器的插入损耗为15db，a点的光功率控制在3dB，请给出a、b、c、d、e几个功率控制点的单波功率，假设在此系统中，线路的系统衰耗为22db/<chmetcnv wst="on" unitname="km" sourcevalue="80" hasspace="False" negative="False" numbertype="1" tcsc="0"></chmetcnv><chmetcnv></chmetcnv>80km<chmetcnv></chmetcnv><chmetcnv></chmetcnv>，请给出未加衰耗器以前c、d、e段光缆的最远传递距离。若组网初期只用了4波，请给出b 点的合波功率。若c段光缆只有<chmetcnv wst="on" unitname="km" sourcevalue="60" hasspace="False" negative="False" numbertype="1" tcsc="0"></chmetcnv><chmetcnv></chmetcnv>60km<chmetcnv></chmetcnv><chmetcnv></chmetcnv>，D段光缆为<chmetcnv wst="on" unitname="km" sourcevalue="80" hasspace="False" negative="False" numbertype="1" tcsc="0"></chmetcnv><chmetcnv></chmetcnv>80km<chmetcnv></chmetcnv><chmetcnv></chmetcnv>，E段光缆恰好，请在添加必要的衰减器。   b、c、d、e的光功率各1分；光缆距离每段1分，b点合波2分；衰耗器每加对一个1分，大小正常1分。  （请写出分析过程） <img title="dvubb" alt="图片点击可在新窗口打开查看" src="http://www.txrjy.com/skins/default/filetype/jpg.gif" border="0"/>此主题相关图片如下： <a href="http://www.txrjy.com/UploadFile/2007-4/20074181871172612.jpg" target="_blank"><img title="dvubb" alt="图片点击可在新窗口打开查看" src="http://www.txrjy.com/UploadFile/2007-4/20074181871172612.jpg" border="0"/></a>2.<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">如下组网<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">请规划两种<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">IP<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">分配方案<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">要求写出各网元的<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">IP<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">地址及掩码<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">注明相应的路由配置命令 <img title="dvubb" alt="图片点击可在新窗口打开查看" src="http://www.txrjy.com/skins/default/filetype/jpg.gif" border="0"/>此主题相关图片如下： <a href="http://www.txrjy.com/UploadFile/2007-4/20074181885958693.jpg" target="_blank"><img title="dvubb" alt="图片点击可在新窗口打开查看" src="http://www.txrjy.com/UploadFile/2007-4/20074181885958693.jpg" border="0"/></a>        <span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、如果通道保护环因局方条件不<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">具备<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">（例如某个站的机房没有建好或光缆没有铺好等因素）尚未建成，而数据已下发，则相应的设备必然会有光接收信号丢失告警，用户觉得告警看着不舒服，所以拿尾纤把告警的光口环了起来，请分析这样做可能出现的问题，并找出解决的办法。4．如图所示为某局采用我公司ZXSM-II(155)设备组网，其中每个网元均配置了一块SFE8数据单板。网元A为中心站，要求从网元B、网元C、网元D、网元E分别开通到中心站的一条数据链路，供用户上网使用，其中除网元C启用两个用户口，其余网元均只启用一个用户端口。（注：所有网元业务板均只有一块SFE8板） <img title="dvubb" alt="图片点击可在新窗口打开查看" src="http://www.txrjy.com/skins/default/filetype/jpg.gif" border="0"/>此主题相关图片如下： <a href="http://www.txrjy.com/UploadFile/2007-4/200741818103626064.jpg" target="_blank"><img title="dvubb" alt="图片点击可在新窗口打开查看" src="http://www.txrjy.com/UploadFile/2007-4/200741818103626064.jpg" border="0"/></a> 问题如下：1）  、由局方来规划配置方案，你配置数据时是否需要和局方就某些问题进行沟通？是哪些问题？<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">    2)、如果局方让你来提供配置方案，你有哪些方案向局方推荐？并简要阐述优缺点。<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-hansi-font-family: 'times new roman'; mso-bidi-font-family: 'times new roman'; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">小弟在这里先谢谢了!!!

时间: 2007-4-18 22:10

作者: fssw

以上我都不会，回答完毕

时间: 2007-4-19 08:05

作者: 1997deman

我也不懂

时间: 2007-4-19 14:12

作者: sbjepfi

好好去看中兴的传输资源吧，上面基本上都有

时间: 2007-4-20 09:54

作者: freeboys

不懂

时间: 2007-4-24 13:37

作者: chinaanzhi

我懂     大家如果想详细了解计算机技术与通信技术就请加入15112388群   分群25274338群   大家也可以访问我的博客： http://www.chinaanzhi.blog.sohu.com/

时间: 2007-6-14 11:51

作者: yangcy

公务不能重复时钟配置应注意不能配置时钟环路这样整个线路性能劣化

时间: 2007-6-14 11:59

作者: yangcy

你的第四题上你组成的网元速率是多大的？至少要在622的时候才能满足其它站点，但是c站点就无法满足！如果业务多的建议采取2.5g组网这个是纯粹走数据的！其实这个就是把所有时隙透传捆绑上63个2m把时隙下到sfe8的端口上进行绑定！

时间: 2007-6-15 15:55

作者: shuiwind

挺好的题目，期待牛人的完美答案

时间: 2007-6-29 15:30

作者: wochina

谢谢

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