Mongo DB

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Quiz will ask 20 randomly selected questions with allotted time of . You can take the quiz more than once. Once you submit the quiz, you can review how you have done, the correct the answers for each questions and the explanation for the correct the answer.

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Quiz Topics

10 Modules

MongoDB Basics

4 topics
1.

Document vs. Row-based Databases

10 questions
2.

Key Features of MongoDB

10 questions
3.

MongoDB Architecture

10 questions
4.

What is MongoDB?

10 questions

Data Model

4 topics

CRUD Operations

4 topics

Indexes

4 topics

Aggregation Framework

4 topics

Data Management

4 topics

Replication and Sharding

4 topics

Security

4 topics

Performance Tuning

4 topics

MongoDB Tools and Ecosystem

4 topics
Sample questions

What is the primary data structure used in MongoDB?

Tables

Documents

Rows

Collections

Which of the following is a valid way to query documents in MongoDB?

db.collection.find({ 'field': 'value' })

SELECT * FROM collection WHERE field = 'value'

db.collection.findOne({ 'field': 'value' })

db.collection.query({ 'field': 'value' })

What is the purpose of the MongoDB aggregation framework?

To perform complex data transformations

To create indexes

To manage user permissions

To perform calculations on data

Which of the following statements about MongoDB indexes is true?

Indexes can improve query performance

Indexes can only be created on string fields

Indexes consume additional disk space

Indexes are automatically created for every field

What is the default storage engine used by MongoDB?

WiredTiger

MMAPv1

In-Memory

RocksDB

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INR1000.00
Unlimited Attempts   (lifetime access)

Try your first attempt for free

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Quiz Topics

10 Modules

MongoDB Basics

4 topics
1.

Document vs. Row-based Databases

10 questions
2.

Key Features of MongoDB

10 questions
3.

MongoDB Architecture

10 questions
4.

What is MongoDB?

10 questions

Data Model

4 topics

CRUD Operations

4 topics

Indexes

4 topics

Aggregation Framework

4 topics

Data Management

4 topics

Replication and Sharding

4 topics

Security

4 topics

Performance Tuning

4 topics

MongoDB Tools and Ecosystem

4 topics