Pass Linux Foundation Certified System Administrator Exam With LFCS Dumps

1. Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

2. During a system boot cycle, what program is executed after the BIOS completes its tasks?

3. Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

4. Which of the following statements is correct when talking about /proc/?

5. What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

6. Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

7. Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

8. Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)

9. SUMULATION

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

10. What information can the lspci command display about the system hardware? (Choose THREE correct answers.)

11. Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

12. What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

13. SIMULATION

Which command will display messages from the kernel that were output during the normal boot sequence?

14. Which of the following commands will write a message to the terminals of all logged in users?

15. Which of the following kernel parameters instructs the kernel to suppress most boot messages?

16. Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

17. After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

18. Which of the following commands is used to update the list of available packages when using dpkg based package management?

19. Which of the following commands lists the dependencies of a given dpkg package?

20. Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?

21. What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

22. Which of the following commands updates the linker cache of shared libraries?

23. Which of the following commands lists all currently installed packages when using RPM package management?

24. Which of the following commands can be used to download the RPM package kernel without installing it?

25. When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

26. Which of the following is correct when talking about mount points?

27. Which function key is used to start Safe Mode in Windows NT?

28. Which of the following environment variables overrides or extends the list of directories holding shared libraries?

29. SIMULATION

Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)

30. Which RPM command will output the name of the package which supplied the file /etc/exports?

31. SIMULATION

In which directory must definition files be placed to add additional repositories to yum?

32. SIMULATION

What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)

33. When removing a package, which of the following dpkg options will completely remove the files including configuration files?

34. Which file should be edited to select the network locations from which Debian installation package files are loaded?

35. SIMULATION

Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)

36. SIMULATION

Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)

37. SIMULATION

Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)

38. Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

39. Which of the following commands can be used to create a USB storage media from a disk image?

40. In Bash, inserting 1>&2 after a command redirects

41. What command will generate a list of user names from /etc/passwd along with their login shell?

42. In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?

43. Which of the following statements is correct regarding the command foo 1> bar?

44. Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

45. SIMULATION

Which signal is missing from the following command that is commonly used to instruct a daemon to reinitialize itself, including reading configuration files? killall -s _______ daemon

46. What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?

47. Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?

48. A user accidentally created the subdirectory dir in his home directory.

Which of the following commands will remove that directory?

49. In compliance with the FHS, in which of the directories are man pages found?

50. Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

51. What is the purpose of the Bash built-in export command?

52. What is the output of the following command?

echo "Hello World" | tr -d aieou

53. 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 without any trailing spaces, is reached?

54. Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

55. What is the default nice level when a process is started using the nice command?

56. What is the default action of the split command on an input file?

57. What is the difference between the i and a commands of the vi editor?

58. SIMULATION

Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)

59. Which of the following commands moves and resumes in the background the last stopped shell job?

60. What is the effect of the egrep command when the -v option is used?

61. What does the symbol within regular expressions represent?

62. In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

63. Which of the following files, located in the user home directory, is used to store the Bash history?

64. SIMULATION

Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)

65. Which of the following commands displays the contents of a gzip compressed tar archive?

66. Which grep command will print only the lines that do not end with a / in the file foo?

67. Which of the following commands is used to change options and positional parameters for a running Bash?

68. Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

69. From a Bash shell, which of the following commands directly executes the instruction from the file /usr/ local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

70. Regarding the command: nice -5 /usr/bin/prog Which of the following statements is correct?

71. Which shell command is used to continue background execution of a suspended command?

72. Which of the following shell redirections will write standard output and standard error output to a file named filename?

73. In the vi editor, which of the following commands will copy the current line into the vi buffer?

74. Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)

75. When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

76. Which of the following commands will reduce all consecutive spaces down to a single space?

77. Which character, added to the end of a command, runs that command in the background as a child process of the current shell?

78. Which of the following commands will print the last 10 lines of a text file to the standard output?

79. Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

80. Which of the following signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?