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A task with privilege level 0, doesn’t refer to all the lower level privilege descriptors in

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A task with privilege level 0, doesn’t refer to all the lower level privilege descriptors in

(a) GDT (global descriptor table)

(b) LDT (local descriptor table)

(c) IDT (interrupt descriptor table)

(d) None of the mentioned

This question was addressed to me in my homework.

I'd like to ask this question from Privilege topic in portion 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
The correct choice is (b) LDT (local descriptor table)

To explain: The task with privilege level 0, refers to all the lower level privilege descriptors which apply to all the descriptors except the LDT descriptors.

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