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Which of the following concepts states that a subject cannot send requests to a subject at a higher security l

Which of the following concepts states that a subject cannot send requests to a subject at a higher security level, but only with subjects at an equal or lower level?

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A.
Invocation property

B.
*-property rule

C.
Separation of duties

D.
Information flow

Explanation:
The invocation property is part of the Biba security model and enforces
integrity principles between subjects and objects.


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