在IP数据报报头中有两个字段，一个是报头长度字段，一个是总长度

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在IP数据报报头中有两个字段，一个是报头长度字段，一个是总长度字段。其中，报头长度字段 (13) ，总长度字段 (14) 。

（13）是（）

A.以8比特为计数单位

B.以16比特为计数单位

C.以24比特为计数单位

D.以32比特为计数单位

答案

参考答案：D

解析：

此题考察对IP数据报报头结构的了解。

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单词拼写

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9. At the end of each game, players traditionally (交换) shirts with each other.

10. Whether the condition of global warming will be worse largely (取决于) on whether we take

action.

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