家客L2-单选（2022

32. 下列（）协议是用来发送电子邮件的TCP/IP协议。

发布于 2021-03-23 11:30:41

【单选题】
A A.PPP
B B.POP4
C C.SMTP
D D.HTTP

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卡姿兰小眼睛 2023-03-23

你真的快乐吗？或许只是低着头不想说话……

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达达

这家伙很懒，什么也没写！

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