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What is true about Indirection to revoke capability?

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in Operating System by (102k points)
What is true about Indirection to revoke capability?

(a) Capabilities point indirectly to the objects

(b) Each capability will not have a unique entry in global

(c) Table entries cannot be reused for other capabilities

(d) This system was adopted in MULTICS system

This question was posed to me during a job interview.

Question is taken from Protection topic in section Protection of Operating System

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Right option is (a) Capabilities point indirectly to the objects

Easy explanation - None.

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