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超文本传输协议HTTP的端口号是( ),文件传输协议FTP的端口号是( ),远程登录协议TELNET的端口号是
( ),域名解析服务器DNS的端口号是
( ),简单邮件传输协议SMTP的端口号是
( ),( )的端口号是( )( )交互式邮件存取协议IMAP的端口号是( ),简单文件传输协议TFTP的端口号是
( ),简单网络管理协议SNMP的端口号是
( )
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参考答案:
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参考解析:
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