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Free MongoDB C100DBA Practice Exam with Questions & Answers | Set: 4

Questions 31

Which of the following does MongoDB use to provide High Scalability?

Options:
A.

Replication

B.

Write Concern

C.

Indexing

D.

Sharding

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Questions 32

JSON stands for

Options:
A.

JavaScript Object Notation

B.

JavaScript Object Naming

C.

JavaScript Object Notice

D.

None of the above

Questions 33

What tool do you use if you want to extract a CSV from mongo?

Options:
Questions 34

What is the equivalent command in MongoDB for the following SQL query?

SELECT * FROM posts WHERE author like "%john%"

Options:
A.

db.posts.find( { author: /John/ } )

B.

db.posts.find( { author: /AjohnA/ > )

C.

db.posts.find( { $like: {author: /John/} } )

D.

db.posts.find( { author: {$like: /John/} } )

Questions 35

What is the maximum size of Index Key Limit and Number of Indexes per collection?

Options:
A.

1024 bytes and 64 indexes

B.

12 mega bytes and 64 indexes

C.

64 bytes and 1024 indexes

D.

1024 bytes and unlimited indexes

Questions 36

Which operations add new documents to a collection?

Options:
A.

Create

B.

update

C.

insert

D.

delete

Questions 37

Which of the following does MongoDB use to provide High Availability and fault tolerance?

Options:
A.

Sharding

B.

Indexing

C.

Replication

D.

Write Concern

Questions 38

Which format/standard is used by MongoDB internally to store documents?

Options:
A.

JSON

B.

BSON

C.

B+ Trees

D.

JSON - Extended

Questions 39

Which of the following command is used to get all the indexes on a collection?

Options:
A.

db.collection.showIndexes()

B.

db.collection.findlndexes()

C.

db.showIndexes()

D.

db.collection.getlndexesQ

Exam Code: C100DBA
Certification Provider: MongoDB
Exam Name: MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
Last Update: Jul 15, 2025
Questions: 132

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