At Layer 2 of the OSI model, which component connects a host to the network media?（）
- A、Hub
- B、Switch
- C、Bridge
- D、NIC
- E、Transceiver
正确答案:D
答案解析:有
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思科认证考试
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At Layer 2 of the OSI model, which component connects a host to the network media?（）
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