Hi teacher, can u help me answer all the question? If your answer is true I will upvote you Q1 Which statement(s) about Test-and-set solution for Critical Section Problem below is(are TRUE? 1. It is deadlock-free II. It is starvation free III. It ensure processes enter CS in FIFO order IV. More than one process can enter CS at the same time without causing race condition problem. Select one: O A IV only OB. I only OC. II and III OD. I and II Q2 One of the functions of device manager is device deallocation. Which of the following(s) is(are) considered device deallocation functions performed by the device manager? 1 Handle device deallocation from a user process during waiting states during process execution. II. Taking away device from a process after a DMA controlled I/O operation completion. III. Implement disk scheduling during a data reading from a hard disk by a read/write head. IV. Process termination in a process scheduling operation Select one: O A 1, 11, III and IV OB. I and IV only OC. I and II only OD. II and Ill only O E None Q3 Which of the following is not true for soft links? Select one: O A Soft links can be created for both, filenames or directory names. O B. Deleting the file or directory that the soft link points to will also delete the soft link OC Deleting a soft link will not delete the file or directory that it points to OD. Soft links can span across file systems/partitions. Q4 Volume that are extremely large and are contained in several files are called multi-volume files. Select one: O True O False