题目内容

请问下面哪个字段代表了三次握手中的确认字段

A. PSH
B. RST
C. ACK
D. FIN

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更多问题

哪些是TCP的部分特性

A. 可靠
B. 无连接
C. 没有流控
D. 重传没有收到的任何内容

在数据传输过程中,接收主机负责什么?

A. 封装
B. 带宽
C. 分段
D. 重组
E. 确认

We _____ for three hours when we were allowed to enter.

A. waited
B. are waiting
C. wait
D. had been waiting

He wasn't exactly a stranger -- I _____ him once before.

A. had met
B. was met
C. meet
D. meets