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Which of the following models describe how subjects and objects must be created and deleted?
Graham-Denning
Chinese Wall
Biba
Bell-LaPadula
"The Graham-Denning Model is a computer security model that shows how subjects and objects should be securely created and deleted. It also addresses how to assign specific access rights. It is mainly used in access control mechanisms for distributed systems." (source: http://en.wikipedia.org/wiki/Graham-Denning_model)
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