Select the wrong statement :

Which of the following operation adds a new document to the users collection ?

MongoDB process collection of documents using _________ operations.

Select the correct statement :

MongoDB scales horizontally using _________ for load balancing purpose.

Point out the wrong statement :

MongoDB supports fixed-size collections called ____________ collections.

____________ are operations that process data records and return computed results.

Select the wrong statement :

Running data aggregation on the ________ instance simplifies application code and limits resource requirements.