최신 LFCS 무료덤프 - Linux Foundation Certified System Administrator
What information can the lspci command display about the system hardware? (Choose THREE correct answers.)
정답: A,C,E
Which of the following commands updates the linker cache of shared libraries?
정답: D
After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem. Which of the following describes the resulting situation?
정답: D
CORRECT TEXT
In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)
In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)
정답:
/etc/cron.allow
CORRECT TEXT
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cdclmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s46-c-k-no/photo.jpg
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cdclmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s46-c-k-no/photo.jpg
정답:
/etc/hosts.allow
Where are user specific crontabs stored?
정답: B
Which of the following commands changes the ownership of file.txt to the user dan and the group staff?
정답: B
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
정답: D
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.)
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
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
정답: A
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.)
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/
Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)
정답: C,E
In compliance with the FHS, in which of the directories are man pages found?
정답: D
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
How would an outgoing packet to the destination 192.168.2.150 be handled?
정답: A
After running the command umount /mnt, the following error message is displayed:
umount: /mnt: device is busy.
What is a common reason for this message?
umount: /mnt: device is busy.
What is a common reason for this message?
정답: B
Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)
정답: A,C
Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?
정답: B
Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting?
정답: B