Lpi LPI Certifications 102-400 Questions & Answers

• Question 61:

  Which of the following steps prevents a user from obtaining an interactive login session?

  A. Run the command chsh -s /bin/false with the user name.

  B. Set the UID for the user to 0.

  C. Remove the user from the group staff.

  D. Add the user to /etc/noaccess.

  E. Create a .nologin file in the user's home directory.

  Correct Answer: A

• Question 62:

  Which of the following commands shows the current color depth of the X Server?

  A. xcd

  B. xcdepth

  C. xwininfo

  D. xcolordepth

  E. cat /etc/X11

  Correct Answer: C

• Question 63:

  For accessibility assistance, which of the following programs is an on-screen keyboard?

  A. xkb

  B. atkb

  C. GOK

  D. xOSK

  Correct Answer: C

• Question 64:

  Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)

  A. Start and prepare the desktop environment for the user.

  B. Configure additional devices like new monitors or projectors when they are attached.

  C. Handle the login of a user.

  D. Lock the screen when the user was inactive for a configurable amount of time.

  E. Create an X11 configuration file for the current graphic devices and monitors.

  Correct Answer: AC

• Question 65:

  How is a display manager started?

  A. It is started by a user using the command startx.

  B. It is started like any other system service by the init system.

  C. It is started by inetd when a remote hosts connects to the X11 port.

  D. It is started automatically when a X11 user logs in to the system console.

  Correct Answer: B

• Question 66:

  Which file used by XDM specifies the default wallpaper?

  A. /etc/X11/xdm/Xsetup

  B. /etc/X11/xdm.conf

  C. /etc/X11/xdm/Defaults

  D. /etc/X11/defaults.conf

  Correct Answer: A

• Question 67:

  The X11 configuration file xorg.conf is grouped into sections.

  How is the content of the section SectionName associated with that section?

  A. It is placed in curly brackets as in Section SectionName { ... }.

  B. It is placed between a line containing Section "SectionName" and a line containing EndSection.

  C. It is placed between the tags

  and

  D. It is placed after the row [SectionName].

  E. It is placed after an initial unindented Section "SectionName" and must be indented by exactly one tab character.

  Correct Answer: B

• Question 68:

  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.

  Correct Answer: BCD

• Question 69:

  Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

  A. SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;

  B. SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;

  C. COUNT(SELECT order_type FROM orders);

  D. SELECT COUNT(*) FROM orders ORDER BY order_type;

  E. SELECT AUTO_COUNT FROM orders COUNT order_type;

  Correct Answer: B

• Question 70:

  What is the purpose of the file /etc/profile?

  A. It contains the welcome message that is displayed after login.

  B. It contains security profiles defining which users are allowed to log in.

  C. It contains environment variables that are set when a user logs in.

  D. It contains default application profiles for users that run an application for the first time.

  Correct Answer: C