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: Dec 18, 2025

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Question 1

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

Question 2

Which mongodb tool is used to report details on number of database operations in MongoDB?

A : ngostat

B : ngotop

C : ngorestore

D : ngodump

Answer: A

Question 3

In order to ensure that you can maintain high availability in the face of server failure, you should implement which of the following?

A : arding

B : operly defined user roles

C : plication

D : t indexes on all of your documents

E : proper storage engine

Answer: C

Question 4

Which of the following collections stores authentication credentials in MongoDB?

A : t.users

B : cal.users

C : tem.users

D : ers.users

Answer: C

Question 5

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

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

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

C : document with an _id assigned to be an Objectld

D : empty document

E : document will be inserted; an error will be raised

Answer: C

Page: 1 / 27

Total 134 Questions | Updated On: Dec 18, 2025

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