User Interfaces and Desktops

Question 1

What is the purpose of the sticky keys feature in X?
A. To assist users who have difficulty holding down multiple keys at once.
B. To prevent repeated input of a single character if the key is held down.
C. To ignore brief keystrokes according to a specified time limit.
D. To repeat the input of a single character.

Answer 1

To assist users who have difficulty holding down multiple keys at once.

Question 2

On a machine running several X servers, how are the different instances of the X11 server identified?
A. By a fixed UUID that is defined in the X11 configuration file.
B. By a unique IPv6 address from the fe80::/64 subnet.
C. By the name of the user that runs the X server like x11:bob.
D. By a device name like /dev/X11/xservers/1.
E. By a display name like:1.

Answer 2

By a display name like:1.

Question 3

What is the purpose of the xhost program?
A. Grant or revoke access to a X11 session.
B. Install all packages and video drivers required to run X11 on a host.
C. Start the X11 server and announce its availability within the local network.
D. Send informational messages to all users logged into a host using X11.
E. Display the MOTD and other important information when a user logs in via X11.

Answer 3

Grant or revoke access to a X11 session.

Question 4

What of the following statements is true regarding a display manager?
A. A display manager handles remote X11 logins only and has no purpose on a system that is not
attached to a network.
B. The display manager is configured in the X11 configuration file xorg.conf.
C. There is only one display manager X11DM that must be started on all systems running X11.
D. After system startup, the display manager handles the login of a user.
E. Without a display manager, no graphical programs can be run.

Answer 4

After system startup, the display manager handles the login of a user.

Question 5

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.

Answer 5

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

Question 6

What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)

Answer 6

xorg.conf

Question 7

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

Answer 7

xwininfo

Question 8

For accessibility assistance, which of the following programs is an on-screen keyboard?
A. xkb
B. atkb
C. GOK
D. xOSK

Answer 8

GOK

Question 9

What is the name of the simple graphical login manager that comes with a vanilla X11 installation?
(Specify ONLY the command without any path or parameters.)

Answer 9

xdm

Question 10

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.

Answer 10

Start and prepare the desktop environment for the user.

Handle the login of a user.