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LINUX FOUNDATION CERTIFIED SYSTEM ADMINISTRATOR LFCS Exam Questions

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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?

A.

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.) 

A.

shutdown -R 1 now
B.

shutdown -single now
C.

init 1
D.

telinit 1
E.

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.) 

A.

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? 

A.

/etc/keys
B.

/proc/keys
C.

/etc/inittab
D.

/proc/inittab 
E.

/etc/reboot
Correct Answer: C
Question #5 (Topic: Demo Questions)

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

A.

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

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

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

All files within /proc/ are only readable by the root user. 
Correct Answer: C
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