QUESTION 39 A context switch may be caused by the currently running process P. O A. False O B. True QUESTION 45 Which the following statements about Remote Procedure Call (RPC) is true? O A. is similar to Local Procedure Call O B. The client-side stub is not necessary OC. The server-side stub is not necessary OD. is different from Local Procedure Call QUESTION 48 Shared memory is a more appropriate IPC mechanism than message passing for distributed systems. O A. True B. False QUESTION 53 The transition (running -> waiting) of a process p is caused by O A. the process p itself B. some other process O C. the OS