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The LFCS certification is recognized globally by leading technology companies, and earning it can significantly enhance the career prospects of system administrators. Linux Foundation Certified System Administrator certification holder can demonstrate to potential employers that they have a deep understanding of Linux system administration, which is a key skill required by many organizations today. Linux Foundation Certified System Administrator certification also helps system administrators to stay updated with the latest trends and best practices in Linux system administration.
NEW QUESTION # 28
CORRECT TEXT
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)
Answer:
Explanation:
l
NEW QUESTION # 29
SIMULATION
Which directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/xinetd.d/ -or- /etc/xinetd.d
NEW QUESTION # 30
Which of the following file permissions belong to a symbolic link?
- A. +rwxrwxrwx
- B. srwxrwxrwx
- C. -rwxrwxrwx
- D. lrwxrwxrwx
Answer: D
NEW QUESTION # 31
What happens after issuing the command vi without any additional parameters?
- A. vi exits with an error message as it cannot be invoked without a file name to operate on.
- B. vi starts and requires the user to explicitly either create a new or load an existing file.
- C. vi starts and loads the last file used and moves the cursor to the position where vi was when it last exited.
- D. vi starts in command mode and opens a new empty file.
- E. vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.
Answer: D
NEW QUESTION # 32
Why is the correct configuration of a system's time zone important?
- A. Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.
- B. Because the conversion of Unix timestamps to local time relies on the time zone configuration.
- C. Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.
- D. Because NTP chooses servers nearby based on the configured time zone.
Answer: B
NEW QUESTION # 33
Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)
- A. SysInit
- B. Upstart
- C. SysV init
- D. startd
- E. systemd
Answer: B,C,E
NEW QUESTION # 34
Which function key is used to start Safe Mode in Windows NT?
- A. F6
- B. F10
- C. Windows NT does not support Safe Mode
- D. F8
Answer: C
NEW QUESTION # 35
Which of the following commands is used to rotate, compress, and mail system logs?
- A. rotatelog
- B. striplog
- C. logrotate
- D. logger
- E. syslogd --rotate
Answer: C
NEW QUESTION # 36
What is the correct command to extract the contents of the archive file download.bz2?
- A. uncompress download.bz2
- B. unzip download.bz2
- C. unpack download.bz2
- D. unzip2 download.bz2
- E. bunzip2 download.bz2
Answer: E
NEW QUESTION # 37
In the vi editor, which of the following commands will copy the current line into the vi buffer?
- A. yy
- B. 1y
- C. 1c
- D. c
- E. cc
Answer: A
NEW QUESTION # 38
Which commands can be used to change a user's account aging information? (Choose THREE correct answers.)
- A. chattr
- B. passwd
- C. chsh
- D. chage
- E. usermod
Answer: B,D,E
NEW QUESTION # 39
CORRECT TEXT
What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)
Answer:
Explanation:
menu .lst, grub.conf, grub.cfg
NEW QUESTION # 40
To prevent a specific user from scheduling tasks with at, what should the administrator do?
- A. Add the specific user to [deny] section in the /etc/atd.conf file.
- B. Add the specific user to /etc/at.deny file.
- C. Add the specific user to /etc/at.allow file.
- D. Add the specific user to nojobs group.
- E. Run the following: atd --deny [user].
Answer: B
NEW QUESTION # 41
Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)
- A. /sbin/mkfs -c ext3 /dev/sdb1
- B. /sbin/mke2fs -j /dev/sdb1
- C. /sbin/mke3fs -j/dev/sdb1
- D. /sbin/mkfs -t ext3 /dev/sdb1
Answer: B,D
NEW QUESTION # 42
Which variable defines the directories in which a Bash shell searches for executable commands?
- A. PATHRC
- B. BASHRC
- C. EXECPATH
- D. BASHEXEC
- E. PATH
Answer: E
NEW QUESTION # 43
When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?
- A. strace
- B. debug
- C. nessus
- D. traceroute
- E. lsof
Answer: E
NEW QUESTION # 44
Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?
- A. export ALL_MESSAGES="pt"
- B. export MESSAGE="pt"
- C. export LANGUAGE="pt"
- D. export LC_MESSAGES="pt"
- E. export UI_MESSAGES="pt"
Answer: D
NEW QUESTION # 45
Which command can be used to delete a group from a Linux system?
- A. groupedit
- B. groups
- C. groupmod
- D. groupdel
Answer: D
NEW QUESTION # 46
Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)
- A. uptime
- B. up
- C. top
- D. time -up
- E. uname -u
Answer: A,C
NEW QUESTION # 47
Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?
- A. XFS
- B. ext4
- C. ext3
- D. VFAT
- E. ext2
Answer: E
NEW QUESTION # 48
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
- A. file /tmp/myfile.txt
- B. touch /tmp/myfile.txt
- C. echo "Hello" >/tmp/myfile.txt
- D. sed -ie "s/1/2/" /tmp/myfile.txt
- E. echo -n "Hello" >>/tmp/myfile.txt
Answer: A
NEW QUESTION # 49
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