If a process keeps certain resources and requests another resource that cannot be automatically assigned to it $\_\_\_\_\_\_\_\_\_\_\_\_,$ to ensure no preemption.

Question $6$Answer

a$.$

then all currently owned resources are preempted from

b$.$

then the process is waiting for the resources to be allocated

c$.$

the process resumes its execution without allocating the resource to it

d$.$

the process keeps sending requests until the resource is assigned to it