TCP协议使用（ ）次握手过程建立连接，这种方法可以防止（ ）。TCP 使用的流量控制协议是（ ）。
问题1选项
A.—
B.二
C.三
D.四
问题2选项
A.出现半连接
B.出现错误连接
C.假冒的连接
D.无法连接
问题3选项
A.固定大小的滑动窗口协议
B.可变大小的滑动窗口协议
C.后退N帧ARQ协议
D.选择重发ARQ协议
正确答案及解析
正确答案
解析
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