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Welcome to the Indexes In MongoDB MCQs Page

Dive deep into the fascinating world of Indexes In MongoDB with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Indexes In MongoDB, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of Indexes 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 Indexes 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 Indexes In MongoDB. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Indexes In MongoDB MCQs | Page 1 of 10

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Q1.
MongoDB indexes use a _______ data structure.

a.

Hash

b.

Map

c.

B-tree

d.

All of the mentioned

Discuss
Answer: (b).Map
Q2.
Point out the correct statement.

a.

If an appropriate index exists for a query, MongoDB cannot use the index to limit the number of documents it must inspect

b.

Indexes support the efficient execution of queries in MongoDB

c.

The index stores the location of a specific field or set of fields, ordered by the value of the field

d.

None of the mentioned

Discuss
Answer: (b).Indexes support the efficient execution of queries in MongoDB
Q3.
MongoDB supports the creation of user-defined ascending/descending indexes on a ______ field of a document.

a.

Single

b.

Non Unique

c.

Compound

d.

None of the mentioned

Discuss
Answer: (a).Single
Q4.
The ______ index is unique and prevents clients from inserting two documents with the same value for the _id field.

a.

_id

b.

$default

c.

_def

d.

None of the mentioned

Discuss
Answer: (a)._id
Q5.
Point out the wrong statement.

a.

MongoDB can return sorted results by using the ordering in the index

b.

MongoDB defines indexes at the collection level and supports indexes on any field or sub-field of the documents in a MongoDB collection

c.

Fundamentally, indexes in MongoDB is different to indexes in other database systems

d.

None of the mentioned

Discuss
Answer: (c).Fundamentally, indexes in MongoDB is different to indexes in other database systems
Q6.
MongoDB also supports user-defined indexes on multiple fields called ____________

a.

compound

b.

composite

c.

candidate

d.

none of the mentioned

Discuss
Answer: (a).compound
Q7.
MongoDB uses ______ indexes to index the content stored in arrays.

a.

singlekey

b.

multikey

c.

compkey

d.

none of the mentioned

Discuss
Answer: (b).multikey
Q8.
___________ indexes use spherical geometry to return results.

a.

3dsphere

b.

2dsphere

c.

1dsphere

d.

none of the mentioned

Discuss
Answer: (b).2dsphere
Q9.
MongoDB provides a ________ index type that supports searching for string content in a collection.

a.

string

b.

text

c.

char

d.

none of the mentioned

Discuss
Answer: (b).text
Q10.
_____ indexes uses planar geometry when returning results.

a.

2d

b.

1d

c.

3d

d.

All of the mentioned

Discuss
Answer: (a).2d
Page 1 of 10

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