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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 1 of 7

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Q1.
________ store the relationships between data by including links or references from one document to another.

a.

Capped

b.

Embedded

c.

External

d.

References

Discuss
Answer: (d).References
Q2.
Point out the correct statement.

a.

In practice, the documents in a collection share a different structure

b.

Data in MongoDB has a flexible schema

c.

The key challenge in data modeling is balancing the needs of the application, the performance characteristics of the database engine, and the data retrieval patterns

d.

None of the mentioned

Discuss
Answer: (b).Data in MongoDB has a flexible schema
Q3.
In MongoDB, write operations are atomic at the __________ level.

a.

collection

b.

document

c.

row

d.

all of the mentioned

Discuss
Answer: (b).document
Q4.
______________ documents capture relationships between data by storing related data in a single document structure.

a.

Capped

b.

Embedded

c.

External

d.

Internal

Discuss
Answer: (b).Embedded
Q5.
Point out the wrong statement.

a.

The key decision in designing data models for MongoDB applications revolves around the structure of documents and how the application represents relationships between data

b.

There are two tools that allow applications to represent these relationships: references and embedded documents

c.

When designing data models, always consider the application usage of the data (i.e. queries, updates, and processing of the data) as well as the inherent structure of the data itself

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q6.
A ____________ data model with embedded data combines all related data for a represented entity in a single document.

a.

normalized

b.

denormalized

c.

non relational

d.

relational

Discuss
Answer: (b).denormalized
Q7.
For the __________ storage engine, if the document size exceeds the allocated space for that document, MongoDB relocates the document on disk.

a.

MAPv1

b.

MAPv2

c.

MAPv3

d.

MAPv4

Discuss
Answer: (c).MAPv3
Q8.
With MongoDB 3.0.0, the default use of the Power of _________ Allocations minimizes the occurrences of re-allocations as well as allows for the effective reuse of the freed record space.

a.

2 Sized

b.

3 Sized

c.

4 Sized

d.

5 Sized

Discuss
Answer: (a).2 Sized
Q9.
___________ strategy is used to explicitly avoid document growth.

a.

deallocation

b.

allocation

c.

pre-allocation

d.

none of the mentioned

Discuss
Answer: (c).pre-allocation
Q10.
Each index in MongoDB requires at least _________ of data space.

a.

8KB

b.

28KB

c.

68KB

d.

108KB

Discuss
Answer: (a).8KB
Page 1 of 7

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