Chapter 6: Practice Exam
- B. Current interrupt (IRQ) assignments are contained in the file
/proc/interrupts. Therefore, viewing the contents of the file with a command such ascatwill work. There is noviewcommand, thus making answer A incorrect. Likewise, there is no/dev/irqfile, making answers C and D incorrect. - D. Configuration files for udev are found in
/etc/udev, which makes answer D correct. The other options do not exist. - A. The
modprobecommand loads the module and its dependencies, if applicable. Thelsmodcommand is used to list currently loaded modules, making answer B incorrect. Theinsmodcommand will load a given module but not its dependencies. Answer D,rmmod, is used to remove a module from memory. - A. The Shift key, if pressed when control has first been handed to GRUB, will cause the GRUB menu to be displayed.
- D. The
dmesgcommand displays the contents of the kernel ring buffer. On many Linux distributions, this log is also saved to/var/log/dmesg. The other options...
