Welcome to the MongoDb Datatypes MCQs Page

Dive deep into the fascinating world of MongoDb Datatypes with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of MongoDb Datatypes, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of MongoDb Datatypes, 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.

Check out the MCQs below to embark on an enriching journey through MongoDb Datatypes. 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 MongoDb Datatypes. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

MongoDb Datatypes MCQs | Page 4 of 4

Explore more Topics under MongoDB

01

MongoDB Basic Concepts

02

MongoDB Enterprise and Packages

03

MongoDB CRUD Operations

04

Data Modeling in MongoDB

05

MongoDb Administration Concepts

06

Optimization Strategies for MongoDB

07

Security Concepts in MongoDB

08

Aggregation Concepts and Aggregation Mechanics

09

Indexes In MongoDB

10

Replication in MongoDB

11

Sharding Concepts and Sharded Cluster

Q31.

Index keys that are of the _______ type are more efficiently stored in the index.

Materialized Paths

BinData

String

None of the mentioned

Discuss

Answer: (b).BinData

Q32.

MongoDB uses the ________ notation to access the elements of an array and to access the fields of an embedded document.

Dot

Array

Nested Sets

None of the mentioned

Discuss

Answer: (a).Dot

Q33.

Which of the following data structures are documents in MongoDB?

All database records

Query selectors

Update definitions

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q34.

Point out the correct statement.

Update definitions define what fields to modify during an update

Query specifications, which define what fields to index

Index selectors, which define what records to select for read, update, and delete operations

All of the mentioned

Discuss

Answer: (a).Update definitions define what fields to modify during an update

Q35.

An application communicates with MongoDB by way of a client library, called _____________

Driver

Parent

Rank

None of the mentioned

Discuss

Answer: (a).Driver

Q36.

User-defined indexes on multiple fields is called ___________

composite index

secondary index

compound index

none of the mentioned

Discuss

Answer: (c).compound index

Q37.

If your driver has a version number of 2.9.1, What is the major version?

None of the mentioned

Discuss

Answer: (b).2

Q38.

Updates that include _________ of field names may result in the reordering of fields in the document.

Renaming

Joining

Nesting

None of the mentioned

Discuss

Answer: (a).Renaming

Q39.

The $rename operator logically performs a _______ of both the old name and the new name.

$unset

$set

$Nested

None of the mentioned

Discuss

Answer: (a).$unset

Page 4 of 4

Welcome to the MongoDb Datatypes MCQs Page

MongoDb Datatypes MCQs | Page 4 of 4

Explore more Topics under MongoDB

MongoDB Basic Concepts

MongoDB Enterprise and Packages

MongoDB CRUD Operations

Data Modeling in MongoDB

MongoDb Administration Concepts

Optimization Strategies for MongoDB

Security Concepts in MongoDB

Aggregation Concepts and Aggregation Mechanics

Indexes In MongoDB

Replication in MongoDB

Sharding Concepts and Sharded Cluster

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