通过CATV 电缆联网，采用的传输技术是（）技术。
- A.时分多路复用
- B.频分多路复用
- C.码分多路复用
- D.空分多路复用
正确答案及解析
正确答案
解析
CATV指75欧姆的同轴电缆，有时也称作CATV电缆，主要用作传输电视讯号，亦可适用于10Broad36网络，CATV的全称为Community Antenna Television。
基本上，CATV电缆是用作宽带传输，有别于其他以太网物理层所采用的基带传输，宽带布线系统可将频带分割成不同频谱，而再通过不同频带去提供不同服务，此种技术已于有线电视广播上广泛采用，在同一电缆上同时提供多种电视频道，由于每一频道都占用不同频带，所以能够互不干扰。
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