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GB0-190-CN · Question #41
GB0-190-CN Question #41: Real Exam Question with Answer & Explanation
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Question
OSI 参考模型物理层的主要功能是______。(选择一项或多项)
Options
- A物理地址定义
- B建立端到端连接
- C在终端设备间传送比特流,定义了电压、接口、电缆标准和传输距离等
- D将数据从某一端主机传送到另一端主机
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