101-500 Practice Test

Which command displays the contents of the Kernel Ring Buffer on the command line? (Provide only the command name without any options or path information)

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

A.

Boot device order

B.

Linux kernel version

C.

Timezone

D.

Hardware configuration

E.

The system's hostname

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

A.

systemd.target=rescue.target

B.

systemd.runlevel=rescue.target

C.

systemd.service=rescue.target

D.

systemd.default=rescue.target

E.

systemd.unit=rescue.target

You suspect that a new ethernet card might be conflicting with another device. Which file
should you check within the /proc tree to learn which IRQs are being used by which kernel
drivers?

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)