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單項選擇題

Operation security requires the implementation of physical security to con-trol which of the following? 操作安全要求對下列哪項實(shí)施物理安全控制?()

A.evacuation procedures 撤離步驟
B.incoming hardware 硬件搬入
C.contingency conditions 應(yīng)急條件
D.unauthorized personnel access 未經(jīng)授權(quán)的人員訪問

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