Topic is Operating Systems

Some questions could have multiple correct answers.
Choose all correct answers.
a point for each correct answer selected.
a half-point off for each incorrect answer selected.

QUESTION 6 Monolithic kernels are theoretically less secure than microkernels because within a user process... OA. a system call requires a mode switch from user to privileged mode. B. interprocess communication is required for most system calls. QUESTION 7 In Linux a system call will involve... OA. a context switch from the user process to a new kernel process. B. a mode switch from user (non-privileged) mode to kernel (privileged) mode. QUESTION 8 The kernel of the operating system must OA. relinquish control of the processor to a user process. B. be able to suspend execution of itself. QUESTION 9 Processor efficiency is improved by multitasking because OA. when one process is suspended another process can be executing. B. a single processor can execute multiple instructions simultaneously. QUESTION 10 A microkernel loads servers into user space in order to OA. provide services not present in the core of the kernel. OB. eliminate calls in user code that need a mode switch to kernel mode