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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 2 of 7

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Q11.
___________ data models allow applications to store related pieces of information in the same database record.

a.

Reference

b.

Embedded

c.

External

d.

None of the mentioned

Discuss
Answer: (b).Embedded
Q12.
Point out the correct statement.

a.

With MongoDB, you cannot embed related data in a single structure or document

b.

The key consideration for the structure of your documents is the decision to embed or to use references

c.

Reference schema is generally known as “denormalized” models

d.

None of the mentioned

Discuss
Answer: (b).The key consideration for the structure of your documents is the decision to embed or to use references
Q13.
Embedded data model is used when you have _________ relationships between entities.

a.

contains

b.

isa

c.

inheritance

d.

all of the mentioned

Discuss
Answer: (a).contains
Q14.
Normalized data models describe relationships using ___________ between documents.

a.

relativeness

b.

references

c.

evaluation

d.

none of the mentioned

Discuss
Answer: (b).references
Q15.
Point out the wrong statement.

a.

Embedded data models make it possible to update related data in a single atomic write operation

b.

Embedding related data in documents may lead to situations where documents grow after creation

c.

With the MMAPv1 storage engine, document growth can impact write performance and lead to data fragmentation

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q16.
To interact with embedded documents, use ___________ notation to “reach into” embedded documents.

a.

period

b.

dot

c.

comma

d.

colon

Discuss
Answer: (b).dot
Q17.
MongoDB using the mmapv1 storage engine has limits on the number of __________

a.

namespaces

b.

collections

c.

documents

d.

none of the mentioned

Discuss
Answer: (a).namespaces
Q18.
To get the current number of namespaces in the mongo shell, use ________________

a.

db.system.namespaces.countc()

b.

db.system.namespaces.count(*)

c.

db.system.namespaces.count()

d.

all of the mentioned

Discuss
Answer: (c).db.system.namespaces.count()
Q19.
The __________ feature of collections expires documents after a period of time.

a.

TEL

b.

TTL

c.

TPL

d.

None of the mentioned

Discuss
Answer: (b).TTL
Q20.
Capped collections provide __________ management of inserted documents in MongoDB.

a.

FIFO

b.

LIFO

c.

LRU

d.

MRU

Discuss
Answer: (a).FIFO
Page 2 of 7

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