单选题IPv6的设置建议同时提供IPv4和IPv6的（）域名系统。A双栈B单栈C正向
单选题
IPv6的设置建议同时提供IPv4和IPv6的（）域名系统。
A
双栈
B
单栈
C
正向
参考解析
解析：
暂无解析
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