MongoDB MCQs – Tools for MongoDB

MongoDB offers a variety of tools for managing, querying, and optimizing databases, ranging from CLI utilities like mongosh, mongotop, and mongostat to GUI-based tools like MongoDB Compass and Ops Manager. These tools streamline database operations, including monitoring, backups, and performance analysis.

Mastery of these tools is essential for developers and DBAs working with MongoDB, as they enable efficient database management and troubleshooting. These MCQs cover the key features and commands, preparing candidates for MongoDB-related interview questions and real-world scenarios.

1.) Which tool provides a graphical user interface (GUI) for interacting with MongoDB databases?

A) MongoDB Shell
B) mongodump
C) mongotop
D) MongoDB Compass

Answer: Option D

Explanation: MongoDB Compass is a GUI tool that allows users to manage, visualize, and query MongoDB data interactively.

2.) Which command is used to interact with MongoDB via the command line?

A) mongodump
B) mongosh
C) mongotop
D) mongoexport

Answer: Option B

Explanation: The mongosh command launches the MongoDB Shell for querying and managing databases.

3.) What does the mongodump tool do?

A) Imports data into MongoDB
B) Exports query results
C) Creates a backup of a MongoDB database
D) Restores a database from a backup

Answer: Option C

Explanation: The mongodump utility creates binary backups of MongoDB databases.

4.) Which tool restores data from a backup created by mongodump?

A) mongorestore
B) mongoimport
C) mongotop
D) mongos

Answer: Option A

Explanation: The mongorestore utility restores databases from binary backups created by mongodump.

5.) Which tool is used to monitor the read and write operations on MongoDB collections?

A) mongotop
B) mongostat
C) mongoexport
D) mongod

Answer: Option A

Explanation: mongotop provides real-time statistics on read and write operations for each collection in MongoDB.

6.) What is the purpose of the mongostat tool?

A) Backup MongoDB data
B) Display database operations and metrics
C) Import data into MongoDB
D) Create indexes

Answer: Option B

Explanation: mongostat provides real-time metrics on operations, including inserts, queries, updates, and memory usage.

7.) Which MongoDB tool provides a cloud backup and recovery solution?

A) mongodump
B) Ops Manager
C) mongostat
D) MongoDB Atlas

Answer: Option D

Explanation: MongoDB Atlas offers cloud backup and recovery as part of its managed database service.

8.) Which tool is used to import data into MongoDB from JSON or CSV files?

A) mongoimport
B) mongoexport
C) mongodump
D) mongotop

Answer: Option A

Explanation: The mongoimport utility is used to import data from JSON, CSV, or TSV files into MongoDB.

9.) What does the mongos tool manage in a MongoDB deployment?

A) Replica sets
B) Sharded clusters
C) Database backups
D) Monitoring logs

Answer: Option B

Explanation: The mongos tool is a query router that manages and routes queries in a sharded MongoDB cluster.

10.) What is the purpose of mongoURI?

A) Connects to replica sets
B) Restores a database
C) Specifies a connection string to MongoDB
D) Exports database schemas

Answer: Option C

Explanation: mongoURI is a connection string format used to connect to MongoDB instances.

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