提供安全保护的主机仅仅与被保护的内部网络相连,这是防火墙的哪种体系结构?()
A.双重宿主主机体系结构
B.屏蔽主机体系结构
C.屏蔽子网体系结构
D.以上都不是
正确答案是B
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Then he (Hughie) had tried selling dry sherry. That did not answer, the sherry was a little too dry.
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