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Design an access matrix with domains and objects to illustrate the Principle of Least Priviledge for the following program: it has 4 sequential logical phases,

Design an access matrix with domains and objects to illustrate the Principle of Least Priviledge for the following program: it has 4 sequential logical phases, with phase 1 reading files F1 and F2, phase 2 doing computation, phase 3 writing to file F3 and phase 4 writing to F4. (You will need switches.)

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