1.

Point out the wrong statement.(a) If a collection already has data, MongoDB automatically splits the collection’s data when you enable sharding for the collection(b) Subsequent attempts to manually create splits can lead to unpredictable chunk ranges and sizes as well as inefficient or ineffective balancing behavior(c) MongoDB creates splits only after an insert operation(d) None of the mentionedThe question was asked in an interview for job.I'm obligated to ask this question of Sharded Cluster Maintenance in chapter Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

Answer»

The correct choice is (d) None of the mentioned

To explain I WOULD say: The DEFAULT behavior SUPPRESSES the detailed chunk INFORMATION if the total number of chunks is greater than or equal to 20.



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