Linux Foundation Certified System Administrator (LFCS) Free Practice Exam Questions

124 real Linux Foundation Certified System Administrator (LFCS) exam questions with answers and AI explanations. Linux Foundation certification prep — page 1 of 13.

  1. Question 1: Which of the following commands will help identify a broken router between the local and the remote machine?
  2. Question 2: What output will the following command produce? seq 1 5 20
  3. Question 4: When the command echo $ outputs 1, which of the following statements is true?
  4. Question 5: Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?
  5. Question 6: What is the output of the following command sequence? for token in a b c; do echo -n "$token "; done
  6. Question 7: Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
  7. Question 8: What does the symbol within regular expressions represent?
  8. Question 9: Regarding the command: nice -5 /usr/bin/prog Which of the following statements is correct?
  9. Question 10: Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)
  10. Question 11: What information can the lspci command display about the system hardware? (Choose THREE correct answers.)