A16B-2200-3400

4、若未发现冲突则发送成功，所有计算机在试图再一次发送数据之前 ，必须在最近一次发送后等待9.6微秒（以10Mbps运行）。 帧结构 以太网帧的概述： 以太网的帧是数据链路层的封装，网络层的数据包被加上帧头和帧尾成 为可以被数据链路层识别的数据帧（成帧）。虽然帧头和帧尾所用的字 节数是固定不变的，但依被封装的数据包大小的不同，以太网的长度也 在变化，其范围是64～1518字节（不算8字节的前导字）。 冲突/冲突域

A16B-2200-3400

联系人：郭先生
联系电话：18971415643《优先》
座机：027-83238871
传真：207-61537051
QQ：810334512《优先》

A16B-2200-3400

我们是创新惠及全球的企业公民。我们用客户是否成功来衡量我们的创 新是否成功。我们不断调整业务组合，以便为全人类共同面临的最严峻 的挑战提供解决方案，从而使我们得以创造可持续的价值。 通过引领潮流，我们可以完全释放员工的能量和创造力。我们富于独创 ，也欣赏这种素质的所有含义：独创性、创造力、奇思妙想，等等。

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