CNIT 340 Exam 2 Questions and Answers with Verified Solutions

CNIT 340 Exam 2 Questions and Answers with Verified Solutions What is X Windows? the standard graphical engine for UNIX and Linux What is the X Protocol? protocol used to allow communication between server and client what is the architecture of X Windows? client-server model who is the x-client? the GUI applications themselves who is the x-server? the software that is located on the user machine what is xlib? provides functions for connecting to a display server, creating windows, drawing graphics, responding to events what are the features of XWin not part of OS, architecture independent, network transparent, policy/style free what is a XWin host? the computer T/F a computer can be both the x server and x client true what is a XWin display a keyboard and monitor combination what does each server have at least one of? at least one display what is a XWin screen? a virtual desktop what must each display have at least one of? at least one screen? T/F a display can have multiple screens true T/F window manager is the same thing as XWin false; window manager works on top of XWin window manager a special client that controls the appearance of the X display and moves, resizes, iconifies applications T/F desktop environment is not the same thing as a window manager true; it runs on top of the window manager what does startx/xstart do? temporatily places the machine in X mode what daemon automatically launches the X Win xdm what is best practice when using xdm? do not start xdm automatically until you're certain about the config of the x-server what is stored in the DISPLAY XWin environment variable? to place to display its output what is the format of the DISPLAY XWin variable? FQDN:x.y what does the x in the DISPLAY XWin variable mean? the display number what does the y in the DISPLAY XWin variable mean? the screen number what is the flag to set the where an app will display to? /dir/app -display n:x.y what is the command to show to allowed hosts? xhost what is the command to remove a host from the allowed hosts list? xhost -hostname what is the command to add a host to the allowed hosts list? xhost +hostname how can XWin be secured?