计算机网络-第5章 5.4.2-以太网-同步电大进度

约定不等于承诺〃 2023-01-15 05:58 137阅读 0赞

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以太网提供了的服务是（）

*  A.虚电路
 *  **B.差错检测**
 *  C.数据可靠传输
 *  D.认证

### 以太网网络层提供无连接服务 ###

**在以太网中如果交换机检测到数据帧发生比特错误，采取的措施。简述采取这样措施的理由**

P数据报传输过程中,如果出现丢包现象,则不会将信息回发,也不会再目的地方进行数据校验

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