问题
单项选择题
Windows XP提供了多种网络协议软件，以支持不同的网络应用。在下列网络协议中，用于发送电子邮件的协议是
A．POP3
B．TELNET
C．SMTP
D．NNTP
答案
参考答案：C
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Windows XP提供了多种网络协议软件，以支持不同的网络应用。在下列网络协议中，用于发送电子邮件的协议是
A．POP3
B．TELNET
C．SMTP
D．NNTP
参考答案：C
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