Question: For the DAC model discussed in Section 4 . 3 , an alternative representation of the protection state is a directed graph. Each subject and

For the DAC model discussed in Section

4.3,

an alternative representation of the protection state is a directed graph. Each subject and each object in the protection state is represented by a node

(

a single node is used for an entity that is both subject and object

) .

A directed line from a subject to an object indicates an access right, and the label on the link defines the access right.

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