Connecting to MongoDB MCQ | Node.js MongoDB Connection Multiple Choice Questions

Direction: Choose the correct option

Which package is commonly used to connect Node.js to MongoDB?

A. mongoose

B. mongodb

C. Both A and B

D. mongo-client

Direction: Choose the correct option

How do you connect to MongoDB using the official driver?

A. mongodb.connect()

B. MongoDB.connect()

C. mongoose.connect()

D. MongoClient.connect()

Direction: Choose the correct option

What is Mongoose?

A. A query language

B. A testing tool

C. A database

D. An ODM (Object Document Mapper) for MongoDB

Direction: Choose the correct option

What does `mongoose.connect('mongodb://localhost/mydb')` do?

A. Connects to MongoDB and returns a promise

B. Creates a new database

C. Drops the database

D. Returns a schema

Direction: Choose the correct option

Why should connection strings be stored in environment variables?

A. To make code longer

B. To slow down the app

C. To keep credentials secure and configurable

D. To avoid using variables

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