LFCS: Linux Foundation Certified System AdministratorDemo

By Linux Foundation · Question Mode

QuestionQ120

Essential Commands

Which of the following are tasks handled by a display manager such as XDM or KDM?

Choose two
  • 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.
Explanation

A display manager's core responsibilities are presenting a graphical login prompt to authenticate users and, after successful authentication, starting an X session and launching the appropriate desktop environment on the user's behalf. Tasks such as configuring new monitors/projectors, locking the screen after inactivity, or generating X11 configuration files are handled by other components (e.g., xrandr/udev for hotplugged displays, screensaver/lock utilities, and Xorg's own configuration tools), not by the display manager itself.

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