Lpi 102-400 Online Practice Questions and Exam Preparation

Lpi 102-400 Online Questions & Answers

• Question 11:

  Which of the following commands lists all defined variables and functions within Bash?

  A. env
  B. set
  C. env -a
  D. echo $ENV
  B. set

• Question 12:

  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 file must be found in the $PATH.
  C. The script file must have the executable permission bit set.
  D. The script must begin with a shebang-line (#!) that points to the correct interpreter.
  E. The file system on which the script resides must be mounted with the option scripts.
  B. The script file must be found in the $PATH.
  C. The script file must have the executable permission bit set.
  D. The script must begin with a shebang-line (#!) that points to the correct interpreter.

• Question 13:

  What is true regarding the command userdel --force --remove bob? (Choose TWO correct answers.)

  A. The user bob is removed from the system's user database.
  B. The user bob's home directory is removed.
  C. The locate database is updated to drop files owned by bob.
  D. All files owned by bob are remove from all mounted filesystems.
  E. In case bob was the last member of a group, that group is deleted.
  A. The user bob is removed from the system's user database.
  B. The user bob's home directory is removed.

• Question 14:

  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.)

  /etc/cron.allow

• Question 15:

  What is the purpose of the iconv command?

  A. It converts bitmap images from one format to another such as PNG to JPEG.
  B. It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).
  C. It displays additional meta information from icon files ending in .ico.
  D. It changes the mode of an inode in the ext4 file system.
  E. It converts files from one character encoding to another.
  E. It converts files from one character encoding to another.

• Question 16:

  What is true about the file /etc/localtime?

  A. It is a plain text file containing a string such as Europe/Berlin.
  B. It is created and maintained by the NTP service based on the geolocation of the system's IP address.
  C. It is a symlink to /sys/device/clock/ltime and always contains the current local time.
  D. It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/ Berlin.
  D. It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/ Berlin.

• Question 17:

  In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

  A. Without additional configuration, no users may have user specific crontabs.
  B. Without additional configuration, all users may have user specific crontabs.
  C. The cron daemon will refuse to start and report missing files in the system's logfile.
  D. When a user creates a user specific crontab the system administrator must approve it explicitly.
  A. Without additional configuration, no users may have user specific crontabs.

• Question 18:

  Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)

  A. The list of users that belong to the group.
  B. The home directory of the group.
  C. The name of the group.
  D. The description of the group.
  E. The password of the group.
  A. The list of users that belong to the group.
  C. The name of the group.
  E. The password of the group.

• Question 19:

  Which command can be used to delete a group from a Linux system?

  A. groupdel
  B. groupmod
  C. groups
  D. groupedit
  A. groupdel

• Question 20:

  Which of the following find commands will print out a list of files owned by root and with the SUID bit set in / usr?

  A. find /usr -uid 0 -perm +4000
  B. find -user root +mode +s /usr
  C. find -type suid -username root -d /usr
  D. find /usr -ls \*s\* -u root
  E. find /usr -suid -perm +4000
  A. find /usr -uid 0 -perm +4000