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Which one of the following system variables disables the prompt which asks for attribute values, and
causes attributes to be set to their defaults?

(a) ATTDIA
(b) ATTDISP
(c) ATTPROMPT
(d) ATTREQ

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The following two commands used one after the other BOUNDARY then pick inside an area ERASE ALL R LAST produces which of these results	Which one of the following best defines attributes as used in AutoCAD and defined by the command DDATTDEF.