What is a popular method used to address or remove the requirement for no-preemption for deadlock prevention:

Hello the options related to your question is missing below are the missing options

A)  Process termination

B)  Mutual exclusion

C)  Rollback or check-pointing mechanisms

D)  None of these are methods used to address no-preemption

answer : Process termination ( A )

Explanation:

The popular method used to address or remove the requirement for no-preemption for deadlock prevention is called  Process termination.

Process termination is a process/method used for the termination of a process even before they are commenced especially in the prevention of a  deadlock situation

while Mutual exclusion prevents the access to a shared source concurrently

what? ? i don't get it