MCQOPTIONS
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				| 1. | 
                                    To delete all the segments simultaneusly_______ | 
                            
| A. | set size of all segments to zero | 
| B. | set visibility attribute of all segment as off | 
| C. | set segment start of all the segment to one | 
| D. | both a & c | 
| Answer» B. set visibility attribute of all segment as off | |