 
			 
			MCQOPTIONS
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				| 1. | To terminate an ongoing index build, use the __________ method in the mongo shell. | 
| A. | db.currentOp() | 
| B. | db.killOp() | 
| C. | db.removeOp() | 
| D. | all of the mentioned | 
| Answer» C. db.removeOp() | |