单项选择题
以下哪种技术手段可以屏蔽网络中未经认证的DHCP客户端?()
A.DHCPsnooping
B.DHCPcaching
C.DHCPshielding
D.DHCPprotection
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单项选择题
A.DHCPsnooping
B.DHCPcaching
C.DHCPshielding
D.DHCPprotection
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