试题详情
- 单项选择题请参见图示。连接到集线器HB1的主机A和主机B尝试同时传输帧但发生了冲突。哪些主机会收到冲突堵塞信号？（）
A、只有主机A和主机B
B、只有主机A、B和C
C、只有主机A、B、C和D
D、只有主机A、B、C和E
- B
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