If you need to rebuild indexes for a collection you can use the _________ method to rebuild all indexes on a collection in a single operation.

A) db.collection()

B) db.collection.reIndex()

C) db.collection.rebuildIndex()

D) db.collection.Index()

Correct Answer : db.collection.Index()

Explanation : This operation drops all indexes, including the _id index, and then rebuilds all indexes.

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