A default Frame Relay WAN is classified as what type of physical network?（）
- A、point-to-point
- B、broadcast multi-access
- C、nonbroadcast multi-access
- D、nonbroadcast multipoint.broadcast point-to-multipoint
正确答案:C
答案解析:有
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A default Frame Relay WAN is classified as what type of physical network?（）
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