Question 1 Write a set of rules combining the secrecy controls of the BellLa Pad

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Question 1
Write a set of rules combining the secrecy controls of   the BellLa Padula model with the integrity controls of the Biba model.

Question 2
Demonstrate a method for limited transfer of rights in the GrahamDenning model. A limit of one is adequate. That is, give a method by which A can transfer to B right R, with the provision that B can transfer that right to any one other subject. The subject to which B transfers the right cannot transfer the right, nor can B transfer it again.

Question 3
Does the standard Unix operating system use a nondiscretionary access control? Explain your answer.

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Hi, please

I need answer Q1 &Q2

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