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Exam contains 185 questions

What word is missing from the following SQL statement? update tablename______ fieldname= "˜value"™ where id=909;
(Please specify the missing word using lower\_case letters only.)

Answer : set

Which of the following SQL statements will select the fields name and address from the contacts table?

  • A. SELECT (name, address) FROM contacts;
  • B. SELECT (name address) FROM contacts;
  • C. SELECT name, address FROM contacts;
  • D. SELECT name address FROM contacts;

Answer : C

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

Answer : A

Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)

Answer : /usr/bin/xwininfo -or- xwininfo

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 <Section name="SectionName"> and </Section>
  • 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.

Answer : B

What is the purpose of a screen reader?

  • A. It reads text displayed on the screen to blind or visually impaired people.
  • B. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
  • C. It displays lines and markers to help people use speed reading techniques.
  • D. It manages and displays files that contain e-books.

Answer : A

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 : B

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

Answer : xorg.conf

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 : C

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

  • A. xkb
  • B. atkb
  • C. GOK
  • D. xOSK

Answer : C

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 : xdm

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 : AC

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 : E

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 : A

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 : D

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Exam contains 185 questions

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