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(a) CHANGE(b) REDO(c) REDRAW(d) REGEN
I go with Regen.... see blow what AutoCad states about these commands...
The Redraw command was useful in the days of very slow computers and older versions of AutoCAD
UNDO and U will undo the last thing or group of things that you did. REDO will redo a command that was previously UNDONE.
"REGEN regenerates the entire drawing and recomputes the screen coordinates for all objects in the current view port. It also re indexes the drawing database for optimum display and object selection performance."
AutoCAD doesn't recognize the change right away, because it doesn't re-check the acad.pgp file during a session. You could close and re-open AutoCAD, but there's an easier way. On the command line, enter reinit. Check the PGP File check box and click OK.- is usually used to change the color or layer ....
Regenarate, or regen...so answer D
I would say the most correct answer is
(d) REGEN
The main key word of this question is the "ëntire drawing" forcing to revise which a (d) REGEN command can only execute and make it happen.
