Configuring X Display Server - Explanation

The correct answers are indicated below, along with text that explains the correct answers.
 
1. Which utility provides a method for finding video card settings when other documentation is unavailable?
Please select the best answer.
  A. Xconfigurator
  B. xinit
  C. xrdb
  D. SuperProbe
  The correct answer is D.
SuperProbe checks your hardware for a video card's settings.
A is incorrect because Xconfigurator is used to set up X once the appropriate settings are known. B is incorrect because xinit is a script which starts up initial X applications, including the window manager. C is incorrect because this utility loads or sets the X resources database.

2. Xconfigurator modifies which file?
Please select the best answer.
  A. /etc/X11/.xinit
  B. /etc/.Xdefaults
  C. /etc/X11/XF86Config
  D. /usr/X11R6/bin/startx
  The correct answer is C , since Xconfigurator is stored in the file /etc/X11/XF86Config .
A and B are incorrect because they are files in the users' home directory that control variables and startup of X. D is incorrect because startx is the script used to call the xinit initialization script.

3. Which choice below correctly names the particular X server supplied with Red Hat Linux?
Please select the best answer.
  A. X11R6
  B. /etc/.Xdefaults
  C. /etc/X11/XF86Config
  D. /usr/X11R6/bin/startx
  The correct answer is C , because Xconfigurator is stored in the file /etc/X11/XF86Config .
A and B are incorrect because they are files in the users' home directory that control variables and startup of X. D is incorrect because startx is the script used to call the xinit initialization script.