If we preempt a resource from a process, the process cannot continue with its normal execution and it must be rolled back .
Option B
Explanation:
The avoidance of energy is a tool used to crack a computer network impasse. In other terms, an operating system uses a method to break down a condition whereby each capital is used on a number of systems, each hoping for more resources.
There is an impasse when 2 or more clients wait for information to be secured, which blocks all sessions. Through rolling back the declaration associated with the contract, Oracle identifies and removes blocks automatically.
Prevents impediments by controlling how the program can seek services and how they are treated (system architecture). The goal is to allow at least one of the requirements needed for impasse can never be reached.