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【单选题】
一台交换机有 8个端口,一个单播帧从某端口进入了该交换机, 交换机在MAC地址表中查到了关于该帧的目的MAC地址的表项,那么交换机对该帧进行的转发操作是?
A.
一定是点对点转发
B.
一 丢弃
C.
可能是点对点转发，也可能是丢弃
D.
泛洪
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