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Match the failure with its description.

1. Deadlock   2. Livelock   3. Starvation

P. Running but never progressing   Q. Never scheduled although able to run   R. Each party waiting for the other

  • A.1-P, 2-R, 3-Q
  • B.1-R, 2-Q, 3-P
  • C.1-Q, 2-P, 3-R
  • D.1-R, 2-P, 3-Q

Answer: D

Correct answer: 1-R, 2-P, 3-Q

Three distinct failures. Deadlock is each party waiting for what the other holds, so nothing runs. Livelock is running without progressing. And starvation is being able to run but never being scheduled, because something of higher priority is always ready.

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