106.1 Install and Configure X11 LPIC-1 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A user can start X applications on the local console, but when trying to run an application from a remote SSH session, the error 'cannot open display' appears. The DISPLAY variable is set to 'localhost:10.0'. Which command should the user run to verify that the X server is listening on that display?

   • Axdpyinfo -display localhost:10.0
   • Bxset q -display localhost:10.0
   • Cxrandr --display localhost:10.0
   • Decho $DISPLAY
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2. 17foundation · easy

   What is the purpose of the .Xauthority file?

   • AIt logs all X11 client connections.
   • BIt stores the X server's configuration settings.
   • CIt contains authorization cookies used to authenticate X clients.
   • DIt defines the default window manager for the session.
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4. 18foundation · easy

   Which statement best describes the role of the X protocol in the X11 architecture?

   • AIt is the authentication mechanism used to secure X connections.
   • BIt is the communication language between X clients and the X server.
   • CIt specifies the file format for X11 configuration files.
   • DIt defines the physical connection between the monitor and the graphics card.
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5. 19foundation · easy

   What is the primary function of a display manager?

   • ATo provide a graphical login screen and start the user's X session.
   • BTo manage the X server's configuration files.
   • CTo handle network authentication for X11 clients.
   • DTo render desktop icons and window decorations.
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6. 20foundation · easy

   Which of the following is a common display manager?

   • AGDM
   • BXorg
   • Cstartx
   • DX11
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