Which of the following statements is true for dealing with the deadlock problem: i. i. state. We can use the protocol to prevent, ensuring that the system will never enter a deadlocked ii. ii. We can allow the system to enter a deadlocked state, detect it, and recover. iii. iii. We can ignore the problem altogether and pretend that deadlocks never occur in the system iv. iv. We can use the protocol to avoid, ensuring that the system will never enter an unsafe and deadlock state. O a. i, ii Obi O c. ii, iii O d. i,ii,iii,&iv