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Welcome to the Data Modeling in MongoDB MCQs Page

Dive deep into the fascinating world of Data Modeling in MongoDB with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Modeling in MongoDB, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Modeling in MongoDB, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within MongoDB.

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Check out the MCQs below to embark on an enriching journey through Data Modeling in MongoDB. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MongoDB.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Modeling in MongoDB. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Modeling in MongoDB MCQs | Page 3 of 7

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Q21.
_______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.

a.

DataFS

b.

GridFS

c.

ReadFS

d.

None of the mentioned

Discuss
Answer: (b).GridFS
Q22.
Point out the wrong statement.

a.

By default GridFS limits chunk size to 255k

b.

GridFS is useful only for storing files that exceed 16MB

c.

When you query a GridFS store for a file, the driver or client will reassemble the chunks as needed

d.

All of the mentioned

Discuss
Answer: (b).GridFS is useful only for storing files that exceed 16MB
Q23.
How many does collections GridFS use to store files?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q24.
The default chunk size is changed from 256k to 255k in which version?

a.

3.0

b.

2.4.9

c.

2.4.10

d.

None of the mentioned

Discuss
Answer: (b).2.4.9
Q25.
Point out the wrong statement.

a.

Client libraries provide a convenient, injection free, process to build these objects

b.

MongoDB represents queries as BSON objects

c.

Field names in MongoDB’s query language have semantic meaning

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q26.
Which of the collection in GridFS stores the binary chunks?

a.

chunks

b.

files

c.

data

d.

log

Discuss
Answer: (a).chunks
Q27.
___________ is the _id is of the data type chosen for the original document in files collections.

a.

files._id

b.

file._id

c.

fileobj._id

d.

none of the mentioned

Discuss
Answer: (a).files._id
Q28.
Which of the following checks and repairs errors and inconsistencies in data storage?

a.

repairDatabase

b.

repairedDatabase

c.

recoverDatabase

d.

all of the mentioned

Discuss
Answer: (a).repairDatabase
Q29.
The files_id field contains the _id of the chunk’s __________ document.

a.

parent

b.

child

c.

top

d.

none of the mentioned

Discuss
Answer: (a).parent
Q30.
Which of the following field allows efficient retrieval of chunks?

a.

n

b.

name

c.

object

d.

2n

Discuss
Answer: (a).n
Page 3 of 7

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