A.Which of these system variables is used to enable the display of grips inside blocks? (a) GRIPCOLOR (b) GRIPHOT (c) GRIPCOLD (d) GRIPBLOCK B. Which of the following system variables is used to...

(a) GRIPCOLOR (b) GRIPHOT

(c) GRIPCOLD (d) GRIPBLOCK

B. Which of the following system variables is used to modify the size of grips?

(a) GRIPCOLOR (b) GRIPSIZE

(c) GRIPCOLD (d) GRIPBLOCK

C. How many views are saved using the Zoom Previous tool?

(a) 6 (b) 8

(c) 10 (d) 12

D. Which of the following commands recalculates all the objects in a drawing and redraws the current viewport only?

(a) REDRAW (b) REDRAWALL

(c) REGEN (d) REGENALL