Please select all the condition(s) of policy must be present for a deadlock to be possible:Group of answer choicesMutual exclusion. Only one process may use a resource at a time.Hold and wait. A process may hold allocated resources while awaiting assignment of other resources.None of the mentionedNo preemption. No resource can be forcibly removed from a process holding it.Circular wait. A closed chain of processes exists, such that each process holds at least one resource needed by the next process in the chain.
Question
Please select all the condition(s) of policy must be present for a deadlock to be possible:Group of answer choicesMutual exclusion. Only one process may use a resource at a time.Hold and wait. A process may hold allocated resources while awaiting assignment of other resources.None of the mentionedNo preemption. No resource can be forcibly removed from a process holding it.Circular wait. A closed chain of processes exists, such that each process holds at least one resource needed by the next process in the chain.
Solution
All of the following conditions must be present for a deadlock to be possible:
- Mutual Exclusion: Only one process may use a resource at a time.
- Hold and Wait: A process may hold allocated resources while awaiting assignment of other resources.
- No Preemption: No resource can be forcibly removed from a process holding it.
- Circular Wait: A closed chain of processes exists, such that each process holds at least one resource needed by the next process in the chain.
So, the answer is not "None of the mentioned" because all the other conditions are necessary for a deadlock to occur.
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