【单选题】
光缆在敷设时因受到扭曲和弯曲时，会使边缘光纤收到的挤压加重，造成损耗的（ ）___
A. 减小
B. 增大
C. 变化不确定
D. 不变
E.
F.
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答案
B
解析
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互联网电视业务是基于家庭宽带网络，以（ ）智能机顶盒连接电视机或大屏显示器等显示终端，向宽带用户提供高清视频节目.___
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华为新开局MDU需要在OLT上配置对应的线路模板，其中对于gemport的配置描述正确的是（ ）___
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___
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