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Consider Multics procedure p and data segment d. Procedure p is executing and needs to access segment d. Segment d's access bracket is (5, 6).

Consider Multics procedure p and data segment d. Procedure p is executing and needs to access segment d. Segment d's access bracket is (5, 6). Assume that d's access control list gives p full (read, write, append, and execute) rights to d. In which ring(s) must p execute for the following to happen?
p can read, write to, and append to d.

p can read d but not write to or append to d.

p cannot access q.

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