LFCS Exam - Free Sample Questions & Answers

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Question #1 (Topic: Demo Questions)

Which command will display messages from the kernel that were output during the normal boot sequence?

dmesg, /bin/dmesg

Correct Answer: A

Question #2 (Topic: Demo Questions)

Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

shutdown -R 1 now

shutdown -single now

init 1

telinit 1

runlevel 1

Correct Answer: C, D

Question #3 (Topic: Demo Questions)

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

cmdline, /proc/cmdline

Correct Answer: A

Question #4 (Topic: Demo Questions)

During a system boot cycle, what program is executed after the BIOS completes its tasks?

/etc/keys

/proc/keys

/etc/inittab

/proc/inittab

/etc/reboot

Correct Answer: C

Question #5 (Topic: Demo Questions)

Which of the following statements is correct when talking about /proc/?

All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot

All files within /proc/ are read-only and their contents cannot be changed.

All changes to files in /proc/ are immediately recognized by the kernel.

All files within /proc/ are only readable by the root user.

Correct Answer: C

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