选择题:● 集线器与交换机都是以太网的连接设备,这两者的区别是 (21) 。(21)A. 集线器的各个端口构成一个

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题目内容:
● 集线器与交换机都是以太网的连接设备,这两者的区别是 (21) 。

(21)A. 集线器的各个端口构成一个广播域,而交换机的端口不构成广播域

B. 集线器的各个端口构成一个冲突域,而交换机的端口不构成冲突域

C. 集线器不能识别 IP地址,而交换机还可以识别IP地址

D. 集线器不能连接高速以太网,而交换机可以连接高速以太网




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