单选题

关于校验方法,“()”是正确的。

A采用奇偶校验可检测数据传输过程中出现一位数据错误的位置并加以纠正

B采用汉明校验可检测数据传输过程中出现一位数据错误的位置并加以纠正

C采用汉明校验,校验码的长度和位置可随机而定

D采用CRC校验,需要将校验码分散开并插入数据位的指定位置中

正确答案

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答案解析

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