operating systems

CHOSE THE CORECET ANSWER ABOUT OPERATING SYSTEMES Q1: When an error happened, the operating system handling A. All of that * B. Depends on the user id who is it C. Nothing of that D. Depends on the time and where it happened E. Depends on the error type Q2: The user authentication procedure belongs to: A. Protection and Security /B. Nothing of that /C. Protection /D. Accounting / E. Security* Q3: Zero-capacity buffering, means. A. The message which is sent without rendezvous will be discarded B. There is no queue attached to the link C. there is a strict limitation for the queue capacity D. ALL OF THE above E. Just A +B* Q4: The Wagram counter resides in: A. the program's space address B. Nothing of that C. the process's space address* D. the subsystems data structure E. the kernel's data structure Q5: The dient-sida stub is considered as an agent to the server-side procedure A. False / B. True** / C. Nothing of that / D. All of that / E. partially True Q6: The LPC: A. client has his own communication channel handle B. each communication channel has own handle C. the LPC's communication channels establishment and maintaining based on the ports concept D. All of that** E. has just two handles during transmission Q7: X is a local variable in function of C++ program. During run-time it will be shared A. Nothing of that B. Hard Disk C. Main memory D. the Stack in the space address E. the Heap in the space address** Q8: The processes scheduling: A. all operating systems have three schedulers** B. some of operating systems have just one scheduler C. at least the operating system must have the short-term scheduler O D. in most of current operating systems the long-term scheduler is not existing E. All above F. B+C just only B. Message Passing** Q9: P7. P4 two independent processes. The most convenient inter-process comma eco Capacity Message Passing A. Bounded-Capacity Message-Passing O B. Shared Memory C. Nothing of that Q10: PCB is unified for all operating systems: A. True** /B. True if same hardware / C. All of that D. Nothing of that/ E. False