A . IP172.16.1.2子网掩码255.255.255.0网关172.16.1.254DNS202.103.24.68
B . IP172.16.1.2子网掩码255.255.255.0网关172.16.1.1DNS202.103.24.68
C . IP58.19.28.2子网掩码255.255.255.252网关172.16.1.1DNS202.103.24.68
D . IP58.19.28.2子网掩码255.255.255.252网关58.19.28.1DNS202.103.24.68
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