[2023] Free LFCS Exam Dumps to Pass Exam Easily
LFCS Exam Dumps, LFCS Practice Test Questions
The LFCS certification program is designed to provide individuals with a competitive advantage in the IT industry. Linux Foundation Certified System Administrator certification demonstrates that individuals have the necessary skills and knowledge to be effective Linux administrators, which can lead to better job opportunities, higher salaries, and increased job security. Linux Foundation Certified System Administrator certification is recognized by a variety of organizations in the IT industry, including major technology companies, government agencies, and educational institutions.
NEW QUESTION # 44
Which grep command will print only the lines that do not end with a / in the file foo?
- A. grep -v '/$' foo
- B. grep '/$' foo
- C. grep '/#' foo
- D. grep -v '/#' foo
Answer: A
NEW QUESTION # 45
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)
- A. chmod +t /tmp
- B. chmod +s /tmp
- C. chmod 1775 /tmp
- D. chmod 2775 /tmp
- E. chmod 4775 /tmp
Answer: A,C
NEW QUESTION # 46
CORRECT TEXT
Which command, depending on its options, can display the open network connections, the routing tables, as well as network interface statistics. (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
netstat, /bin/netstat, ss, /usr/bin/ss
NEW QUESTION # 47
What is true regarding a default route?
- A. When a default route is set, all other routes are disabled until the default route is deleted.
- B. The default route is only used if there is not a more specific route to a destination host or network.
- C. The default route is always used first. When the default route is not available more specific routes are tried.
- D. Without a default route, no network communication even in directly attached networks is possible.
Answer: B
NEW QUESTION # 48
What is true regarding TCP port 23?
- A. Port 23 is the well known port for the rlogin service which is SSL secured by default.
- B. Port 23 is the well-known port for the system login services which are encrypted when the user runs the starttls command in his login shell.
- C. Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.
- D. Port 23 is the well known port for the SSH service which provides secure logins.
Answer: C
NEW QUESTION # 49
CORRECT TEXT
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)
Answer:
Explanation:
/etc/at.deny
NEW QUESTION # 50
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
- A. edquota
- B. ulimit
- C. quota
- D. core
Answer: B
NEW QUESTION # 51
How can the current directory and its subdirectories be searched for the file named MyFile.xml?
- A. less MyFile.xml
- B. grep MyFile.xml | find
- C. grep -r MyFile.xml .
- D. search Myfile.xml ./
- E. find . -name MyFile.xml
Answer: E
NEW QUESTION # 52
Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)
- A. The user issuing the command must be in the group script.
- B. The script must begin with a shebang-line (#!) that points to the correct interpreter.
- C. The script file must have the executable permission bit set.
- D. The file system on which the script resides must be mounted with the option scripts.
- E. The script file must be found in the $PATH.
Answer: B,C,E
NEW QUESTION # 53
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 # 54
Which of the following file permissions belong to a symbolic link?
- A. srwxrwxrwx
- B. lrwxrwxrwx
- C. -rwxrwxrwx
- D. +rwxrwxrwx
Answer: B
NEW QUESTION # 55
What is the default action of the split command on an input file?
- A. It will break the file into new files of 1,000 line pieces each.
- B. It will break the file into new files of 1,024 kilobyte pieces each.
- C. It will break the file into new files that are no more than 5% of the size of the original file.
- D. It will break the file into new files of 1,024 byte pieces each.
Answer: A
NEW QUESTION # 56
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
- A. kill -KILL 123
- B. kill -STOP 123
- C. kill -TERM 123
- D. kill -PIPE 123
Answer: C
NEW QUESTION # 57
A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?
- A. rmdir ~/'dir'
- B. rmdir '~/\dir'
- C. rmdir ~/\dir
- D. rmdir ~/\\dir
- E. rmdir "~/\dir"
Answer: D
NEW QUESTION # 58
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.)
Answer:
Explanation:
newaliases, sendmail -bi
NEW QUESTION # 59
Which command can be used to delete a group from a Linux system?
- A. groupdel
- B. groupmod
- C. groups
- D. groupedit
Answer: A
NEW QUESTION # 60
Which of the following commands will help identify a broken router between the local and the remote machine?
- A. netstat
- B. ps
- C. traceroute
- D. nslookup
- E. ifconfig
Answer: C
NEW QUESTION # 61
How can the normal output of a command be written to a file while discarding the error output?
- A. command >2>file 1&>/dev/null
- B. command < output > /dev/null
- C. command > /dev/null 2&>1 output
- D. command > discard-error > file
- E. command >file 2>/dev/null
Answer: E
NEW QUESTION # 62
Which of the following is observed and corrected by a NTP client?
- A. Adjustments needed to support Daylight Saving Time.
- B. Changes in the time zone of the current computer's location.
- C. The skew in time between the system clock and the hardware clock.
- D. The skew in time between the system clock and the reference clock.
Answer: D
NEW QUESTION # 63
Which file used by XDM specifies the default wallpaper?
- A. /etc/X11/xdm/Defaults
- B. /etc/X11/xdm/Xsetup
- C. /etc/X11/defaults.conf
- D. /etc/X11/xdm.conf
Answer: B
NEW QUESTION # 64
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Linux Foundation Certified System Administrator (LFCS) certification is an excellent certification for professionals who want to make a career in Linux system administration. Linux Foundation Certified System Administrator certification is designed to measure the skills and knowledge of the candidate in managing Linux systems and to ensure that they have the expertise to handle different types of Linux-based systems. The LFCS exam is a performance-based exam that tests the candidate's ability to perform tasks that are commonly performed by a Linux system administrator, making it a valuable certification for anyone looking to advance their career in this field.
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