Fedora Set 4
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This set of Fedora Multiple Choice Questions & Answers (MCQs) focuses on Fedora Set 4
Q1 | The process which terminates before the parent process exits becomes
- zombie
- orphan
- child
- none of the above
Q2 | Return value of fork() system call can be:
- -1,<0,0
- -1,>0,0
Q3 | If the fork() system call returns -1, then it means?
- no new child process is created
- the child process is an orphan
- the child process is in zombie
Q4 | Fork returns _____ to parent process on success
- 0
- child process id
- parent process id
- none
Q5 | Which niceness value among the following indicate most favorable scheduling?
- 0
- 19
- 5
- -20
Q6 | The maximum time slice that can be given to a process in Linux (where tick is 10ms) is
- 150ms
- 10ms
- 300 ms
- 600ms
Q7 | Nice can be used by an ordinary process to
- increase the priority of a process
- decrease the priority of a process
- increase or decrease the priority of a process
Q8 | Which one can be a real time schedule policy?
- sched_fifo
- sched_spf
- sched_other
- sched_filo
Q9 | Solaris real time class priority is
- 0-59
- 60-99
- 100-159
- 160-169
Q10 | On x86-32 Linux, at which address the code segment of the program starts?
- 0x00000000
- 0x08048000
- 0x80000000
- 0xbfff0000
Q11 | On x86-32 Linux, at which address the user stack resides normally?
- 0x00000000
- 0x3fff0000
- 0x7fff0000
- 0xbfff0000
Q12 | A system has 512MB of physical memory. Which among the following is not a suitable virtual memory size for this system architecture?
- 512mb
- 256m
- 4gb
- none of the above
Q13 | LRU stands for
- last received unit
- least recently used
- least recently usable
- lost recoverd unit
Q14 | Mm_struct maintains?
- memory files
- open files
- pipe
- active memory regions
Q15 | Is page table per process entity?
- yes
- no
Q16 | Among these files which has an ELF format
- shared objects
- core
- executables
- all of the above
Q17 | If one of the thread in multithreaded process is blocked on an I/O, which of the following is true?
- the entire process with block if their is no kernel supported threads
- other threads of the process will continue to execute even if there is no kernel supported threads
- it depends on specific implementatation
- all of the above
Q18 | UNIX/Linux kernel is?
- monolithic
- micro
- exo
- nano
Q19 | Monolithic kernel
- is highly extensiblity
- has less run time overhead
- smaller than micro level
- suitable for real time system
Q20 | Runlevel system command is used for?
- getting the present and previous runlevel of the system
- setting the runlevel attribute of the system in the inittab file
- can be used to restart or reboot the system
- all of the above
Q21 | Pick the run level to run Linux in multi user mode with networking?
- 0
- 3
- 5
- 6
Q22 | Section 2 of manpage describes
- commands
- system calls
- function calls
- drivers
Q23 | System call can be implemented using which assembly instruction(s) on x86 processors?
- int 0??80
- sysenter
- both a & b
- none
Q24 | Which of the following exec call is a system call?
- execl
- execlp
- execve
- execvp
Q25 | ______________ timer is decremented only when the process is executing
- itimer_real
- itimer_virtual
- itimer_prof
- none of the above