최신Linux Foundation Certified System Administrator - LFCS무료샘플문제
문제1
CORRECT TEXT
Which world-writable directory should be placed on a separate partition inorder to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)
CORRECT TEXT
Which world-writable directory should be placed on a separate partition inorder to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)
정답:
/tmp, tmp, /var/tmp, /tmp/, /var/tmp/
문제2
CORRECT TEXT
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
CORRECT TEXT
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
정답:
cmdline, /proc/cmdline
문제3
What is the output of the following command sequence? for token in a b c; do
echo -n "$token ";
done
What is the output of the following command sequence? for token in a b c; do
echo -n "$token ";
done
정답: A
문제4
What is a purpose of an SSH host key?
What is a purpose of an SSH host key?
정답: D
문제5
Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)
Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)
정답: B,C
문제6
Which file inside the CUPS configuration directory contains the definition of the printers?
Which file inside the CUPS configuration directory contains the definition of the printers?
정답: E
문제7
Which of the following commands can remove a user from a group?
Which of the following commands can remove a user from a group?
정답: E
문제8
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
정답: E
문제9
CORRECT TEXT
Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)
CORRECT TEXT
Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)
정답:
/usr/bin/xwininfo, xwininfo
문제10
Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and withoutany trailing spaces, is reached?
Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and withoutany trailing spaces, is reached?
정답: B
문제11
What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)
What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)
정답: B,E
문제12
CORRECT TEXT
After adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)
CORRECT TEXT
After adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)
정답:
newaliases, sendmail -bi
문제13
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
정답: A,B
문제14
Which of the following commands can be used to limit the amount of memory a user may use?
Which of the following commands can be used to limit the amount of memory a user may use?
정답: A