问题
单项选择题
TCP service is obtained by having both the sender and the receiver create end points, which are called
A．network address
B．supernet address
C．socket
D．IP address
答案
参考答案：C
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TCP service is obtained by having both the sender and the receiver create end points, which are called
A．network address
B．supernet address
C．socket
D．IP address
参考答案：C