Point Out The Wrong Statement #604
Point out the wrong statement.
This multiple choice question (MCQ) is related to the book/course
gs gs112 MongoDB.
It can also be found in
gs gs112 Aggregation Concepts and Aggregation Mechanics - Map-Reduce and Sharded Collections - Quiz No.1.
Point out the wrong statement.
If the output collection does not exist, MongoDB creates and shards the collection on the _id field
Map-reduce supports operations on sharded collections, both as an input and as an output
mongos dispatches, in parallel, a map-reduce post-processing job to every shard that owns a chunk
None of the mentioned
Similar question(s) are as followings:
Online Quizzes of gs112 MongoDB
GridFS, BSON Datatype and Administration Concepts - BSON - Quiz No.1
gs gs112 MongoDB
Online Quizzes
