Node.js and Express.js Quiz

Which Node.js framework is commonly used for building REST APIs in MERN applications?

• Express.js

• Django

• Flask

• Spring Boot

Which command initializes a new Node.js project with default settings?

• npm install

• npm init

• npm init -y

• node init

What is the default HTTP method used by a browser when submitting a form?

• GET

• POST

• PUT

• DELETE

Which method is used to parse JSON data in Express.js?

• app.use(express.json())

• app.use(bodyParser())

• app.json()

• app.parseJSON()

What is the purpose of mongoose.model()?

• Define middleware

• Create a MongoDB collection

• Define schema and compile a model

• Connect to MongoDB

How do you define a route parameter in Express.js?

• app.get('/user/:id', callback)

• app.route('/user/:id')

• app.post('/user/id', callback)

• app.get('/user{id}', callback)

Which library is commonly used for password hashing in Node.js?

• bcrypt

• passport

• jwt

• axios

Which method is used to connect to MongoDB using Mongoose?

• mongoose.start()

• mongoose.init()

• mongoose.connect()

• mongoose.link()

How can you define a required field in Mongoose schema?

• required: true

• isRequired: true

• mandatory: true

• obligatory: true

Which of the following is used to create a MongoDB schema in Mongoose?

• mongoose.Schema

• mongoose.Model

• mongoose.SchemaType

• mongoose.Database