30.以额外资源配备及消耗来换取系统正常运行的技术是-湖北继续教育网网校

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[单选题]30.以额外资源配备及消耗来换取系统正常运行的技术是

A冗余技术

B容错技术

C加密技术

D负荷分布技术

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