MongoDB Basic Shell Commands: Beginner-Level Quiz

MongoDB Basic Shell Commands Quiz

This quiz assesses your understanding of fundamental MongoDB shell commands essential for interacting with MongoDB databases. It covers switching databases, inserting and retrieving documents, managing collections, and performing basic administrative tasks using the Mongo shell. Mastery of these commands is crucial for efficient database management and development workflows. Good luck!

1 / 20

What does the command show users display?

Active connections

Database collections

Query logs

A list of all users in the database

2 / 20

What is the function of the db.version() command?

Shows database logs

Returns the version of the current collection

Lists previous queries executed

Displays the version of MongoDB

3 / 20

What does the command it do in the Mongo shell?

Terminates the Mongo shell session

Creates a new index

Retrieves the next batch of results from the cursor

Iterates over all databases

4 / 20

Which command enables verbose logging for a query?

set logging level high

db.enableVerbose()

db.log(2)

db.setLogLevel(2)

5 / 20

How do you remove all documents from a collection?

db.collection.truncate()

delete * from

db.collection.deleteMany({})

db.collection.removeAll()

6 / 20

Which command lists all active users and their roles in the database?

db.userList()

db.getUsers()

db.getRoles()

show users

7 / 20

Which command lists all indexes of a collection?

show indexes

db.collection.getIndexes()

db.collection.listAll()

db.collection.showIndexes()

8 / 20

What will happen if you try to insert a document without specifying the _id field?

It will use the value of the first field as _id

MongoDB will automatically generate a unique _id value

The collection will throw an error

The document will not be inserted

9 / 20

The exit command closes the Mongo shell. True or False?

True

False

10 / 20

Which operator is used in the Mongo shell to delete a single document from a collection?

db.collection.dropDocument()

db.collection.deleteOne()

delete

db.collection.remove()

11 / 20

Which command is used to display all the databases in the Mongo shell?

db.getDbs()

list databases

show collections

show dbs

12 / 20

The Mongo shell db refers to the currently selected database. True or False?

True

False

13 / 20

Which command counts the number of documents in a collection?

db.count()

db.collection.getCount()

db.collection.countDocuments()

db.collection.total()

14 / 20

Which command shows all collections in the current database?

get collections

db.listCollections()

show collections

display tables

15 / 20

In MongoDB, you can use JavaScript syntax to create and execute queries in the shell. True or False?

True

False

16 / 20

Which command drops a specific collection from a database?

db.collection.drop()

drop

db.dropCollection()

db.deleteCollection()

17 / 20

What is the default command to switch to a specific database in the Mongo shell?

db.switch()

use_database()

select

use

18 / 20

You can use the Mongo shell to execute JavaScript code along with database commands. True or False?

True

False

19 / 20

Which command is used to insert a document into a collection?

db.collection.insertOne()

db.collection.add()

db.insert()

insert into

20 / 20

The db.collection.insertMany() command can be used to insert multiple documents at once. True or False?

True

False

Your score is

The average score is 0%

MongoDB Basic Shell Commands covers fundamental commands and operations used to interact with a MongoDB database through the MongoDB shell.

It includes commands for performing CRUD (Create, Read, Update, Delete) operations, managing collections, and querying data.

This quiz is essential for users who must test their ability to perform basic database tasks and navigate MongoDB’s shell environment.

All the best!