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Free MongoDB C100DBA Practice Exam with Questions & Answers | Set: 6

Questions 51

You perform the following operation in the shell: db.foo.insert( { } ); What gets inserted?

Options:
A.

A document will be inserted with the same _id as the last document inserted

B.

A document that matches the collection ' s existing schema, but with null fields

C.

A document with an _id assigned to be an Objectld

D.

An empty document

E.

No document will be inserted; an error will be raised

MongoDB C100DBA Premium Access
Exam Code: C100DBA
Certification Provider: MongoDB
Exam Name: MongoDB Associate Database Administrator(Based on MongoDB 6.0 and 7.0+)
Last Update: Oct 3, 2026
Questions: 172

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