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Which of the following security models dictates that subjects can only access objects through applications?
Biba-Clark model
Bell-LaPadula
Clark-Wilson
Biba model
The Clark-Wilson security model dictates that subjects can only access objects through applications. Answer: A is incorrect. The Biba model does not let subjects write to objects at a higher integrity level. Answer: B is incorrect. The Bell-LaPadula model has a simple security rule, which means a subject cannot read data from a higher level. Answer: D is incorrect. There is no such model as Biba-Clark model.
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