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When high priority task is indirectly preempted by medium priority task effectively inverting the relative priority of the two tasks, the scenario is called __________

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When high priority task is indirectly preempted by medium priority task effectively inverting the relative priority of the two tasks, the scenario is called __________

(a) priority inversion

(b) priority removal

(c) priority exchange

(d) priority modification

The question was posed to me in an online interview.

Enquiry is from Process Synchronization topic in chapter Processes of Operating System

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Right choice is (a) priority inversion

The best explanation: When a high priority task is indirectly preempted by a medium priority task effectively inverting the relative priority of the two tasks, the scenario is called priority inversion.

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