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: Jun 17, 2026

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Question 1

Which option can be used with update command so that a new document gets created if no matching document is found based on the query condition?

A : ert command instead of update command

B : is has to be handled in application code (Node.js, PHP, JAVA, C#, etc.) and cannot be handled in mongo shell query

C : {update: true, insert: true} as the third parameter of update command

D : ecify {upsert : true } as the third parameter of update command

Answer: D

Question 2

Which of the following commands can cause the database to be locked?

A : l of the above

B : erting data

C : p-reduce

D : uing a query

Answer: A

Question 3

Below is a sample document of 'orders' collection

A : $project

Answer: A

Question 4

Which option can be used with update command so that a new document gets created if no matching document is found based on the query condition?

A : ert command instead of update command

B : {update: true, insert: true} as the third parameter of update command

C : is has to be handled in application code (Node.js, PHP, JAVA, C#, etc.) and cannot be handled in mongo shell query

D : ecify {upsert : true } as the third parameter of update command

Answer: D

Question 5

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

A : ngodump

B : ngostat

C : ngoimport

D : ngoexport

Answer: C,D

Page: 1 / 27

Total 134 Questions | Updated On: Jun 17, 2026

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