【单选题】
入户综合信息箱内需预留一路220v（100W）AC电源，一般由（）提供。___
A. 电信
B. 开发商
C. 物业
D. 用户自己
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答案
D
解析
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室外光缆一般从左侧底部穿线洞进入分纤箱，通过固定装置对加强芯进行接地，并剥离外护层穿入套管。在左侧中央盘纤轮顺时针缠绕后进入右侧熔纤盘内。皮线光缆可从（）穿线洞进线，通过固定装置平行固定后，在熔纤盘一侧进线，在熔纤盘内按同一方向绕线至热熔管。___
A. 左侧上部
B. 右侧上部
C. 左侧上下
D. 右侧上下
【单选题】
所有故障工单在工单处理人判断为非维护职责内网元上报的告警，受理后（）分钟内必须驳回，并如实填写驳回原因和转派建议，建议中包含需转派的班组名称。___
A. 5
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网速测试结果以KByte/s为单位，用户账户带宽则以Kbit/s、Mbit/s为单位。因此应向用户说明，如100M用户带宽（即100Mbit/s），其对应的最大理论网速为()。___
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【单选题】
维护人员应在预约时间前（）到达现场。若因特殊原因无法准时到达的，应及时通知用户并取得用户的谅解。___
A. 6至12分钟
B. 10至15分钟
C. 5至10分钟
D. 15至30分钟
【单选题】
下面（）是客户维护中的正确语言。___
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B. 故障界面在这里，我方没有问题，你自己找人来处理吧
C. 刚才不是跟你说了，怎么又问
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