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与IPv4相比，IPv6（）
A．没有提供校验和字段
B．不提供QoS保障
C．增加了头部字段数目
D．采用32位IP地址
参考答案和解析
校验和对IP分组头与分组数据进行的计算
更多 “与IPv4相比，IPv6（）A．没有提供校验和字段B．不提供QoS保障C．增加了头部字段数目D．采用32位IP地址” 相关考题
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