Free Practice MongoDB C100DBA Exam Questions 2026

Stay ahead with 100% Free MongoDB Certified DBA Associate C100DBA Dumps Practice Questions

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Total 134 Questions | Updated On: May 23, 2026

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Question 1

'mongoimport' command is used for

A : Batch data insertion

B : None of the above

C : Multiple command import

D : Multiple command insertion

Answer: A

Question 2

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 : upsert command instead of update command

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

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

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

Answer: D

Question 3

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 : upsert command instead of update command

B : This 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 : Specify {upsert : true } as the third parameter of update command

Answer: D

Question 4

Which of the following collections stores authentication credentials in MongoDB?

A : test.users

B : local.users

C : system.users

D : users.users

Answer: C

Question 5

You have a replicated cluster with 1 primary, 3 secondary, 1 arbiter. One of the secondary is hidden. What is the replication factor of this replicated cluster?

A : 7

B : 03

C : 04

D : 06

Answer: C

Page: 1 / 27

Total 134 Questions | Updated On: May 23, 2026

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