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问题

交换机工作在OSI七层模型的哪一层()

A.物理层

B.数据链路层

C.网络层

D.传输层

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  • 交换机工作在OSI七层模型的哪一层()

    A.物理层

    B.数据链路层

    C.网络层

    D.传输层

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