Maurice Tutor

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Category > Computer Science Posted 27 Sep 2017 My Price 4.00

Multics procedure

Consider Multics procedures p and q. Procedure p is executing and needs to invoke procedure q. Procedure q's access bracket is (5, 6) and its call bracket is (6, 9). Assume that q's access control list gives p full (read, write, append, and execute) rights to q. In which ring(s) must p execute for the following to happen?

a. p can invoke q, but a ring-crossing fault occurs.

b. p can invoke q provided that a valid gate is used as an entry point.

c. p cannot invoke q.

d. p can invoke q without any ring-crossing fault occurring, but not necessarily through a valid gate.

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Sep 2017 05:09 PM My Price 4.00

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