I. Processes should acquire all their resources at the beginning of execution. If any resource is not available, all resources acquired so far are released. II. The resources are numbered uniquely, and processes are allowed to request for resources only in increasing resource numbers. III. The resources are numbered uniquely, and processes are allowed to request for resources only in decreasing resource numbers. IV. The resources are numbered uniquely. A process is allowed to request only for a resource with resource number larger than its currently held resources.Which of the above policies can be used for preventing deadlock?
(A)
(B)
(C)
(D)
Answer
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