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Question

What is false regarding Back-Pointers scheme to revoke capability ?

a.

List of pointers is maintained with each object

b.

When revocation is required these pointers are followed

c.

This scheme is not adopted in MULTICS system

d.

These point to all capabilities associated with that object

Answer: (c).This scheme is not adopted in MULTICS system

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Q. What is false regarding Back-Pointers scheme to revoke capability ?