Free MongoDB C100DBA Exam Questions

Become MongoDB Certified with updated C100DBA exam questions and correct answers

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Total 134 Questions | Updated On: Oct 29, 2025
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Question 1

Which mongodb tools allow us to work with our data in a human readable format?


Answer: C,D
Question 2

Below is a sample document of 'orders' collection
Other-Image-2821600ab-2cee-4cd9-a321-aa3202108fcf


Answer: A
Question 3

What does the output x of the following MongoDB aggregation query result into; db.posts.aggregate( [ { $group: { _id; '$author', x: { $sum: $likes } } } ] )


Answer: D
Question 4

'mongoimport' command is used for


Answer: A
Question 5

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


Answer: C
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Total 134 Questions | Updated On: Oct 29, 2025
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