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下列哪三项是CSMA/CD的特征?()
A、可以将设备配置为较高的传输优先级
B、堵塞信号表示冲突已消除,介质不再占用
C、设备侦听并等到介质未被占用后再传输
D、冲突后只有拥有电子令牌的设备才能传输
E、网段中的所有设备都知道网络介质中传输的数据
F、检测到冲突后,主机可以在随机延迟时间到期后尝试重新传输
正确答案:
C,E,F
答案解析:
有
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