中国移动网上大学认证题库传输设备PON烽火L2（2）传输设备PON 烽火L2 2015年5月18日9点30分1. onu自动升级失败次数最多为( )A.2国家励志奖学金B.1C.3D.4答案：C2. 802.3af定义了PD的最大功率为A.13.95WB.10.95WC.12.95WD.11.95W答案：C3. Config\gpon# show reg onu link 1查看出来的AUTH_T
ADSL（Asymmetric Digital Subscriber Line ，非对称数字用户环路）是一种新的数据传输方式。它因为上行和下行带宽不对称，因此称为非对称数字用户线环路。它采用频分复用技术把普通的电话线分成了电话、上行和下行三个相对独立的信道，从而避免了相互之间的干扰。即使边打电话边上网，也不会发生上网速率和通话质量下降的情况。通常ADSL在不影响正常电话通信的情况下可以提供最高3.
Example of English Morning ReportUrological Departmentmorning report.There are 50 patients in our ward. Three patients were discharged from the hospital yesterday研究生国家线2013 trialanderror:Bed 1,Bed 28
A Class ActGrowing up in bomb-blitzed Manchester during the Second World War meant times were tough, money was short, anxiety was rife and the pawnshop was a familiar destination for many families, in
