有一个“端口安全”功能是允许你强制使你的交换机在每个端口只允许(IP地址对应的)一个MAC地址通过。

One "port Security" feature lets you force your switch to allow only one MAC address for each physical port on the switch.

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耐用的数据体系结构通常要求对应用程序和业务流程进行细微的修改，而其在组织表中的位置经常不能强制进行这些更改。

Durable data architecture usually requires minor changes to applications and business processes, and the position in the organization chart rarely comes with the mandate for such change.

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强制“索引”组件(也叫参数说明符)是一个从0开始的数字，可标识值列表中对应的元素。

The mandatory index component, also called a parameter specifier, is a number starting from 0 that identifies a corresponding item in the list of objects.

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