A.Biba模型和Bell-Lapadula模型 B.Bell-Lapadula模型和信息流模型 C.Bell-Lapadula模型和Clark-Wilson模型 D.Clark-Wilson模型和信息流模型
A.電路調(diào)整器Power line conditioners B.電流浪涌防護(hù)裝置A surge protective device C.替代電源 D.不間斷供電
A.尾隨Piggybacking B.肩窺Shoulder surfing C.Dumpster diving D.冒充Impersonation