Node.js,Mongodb and React.js

Which of the following statements are true?

• Node.js is both a server and client-side language.

• Node.js is a server-side language.

• Node.js is a client-side language.

• None of the above.

Node.js is written in which language?

• JavaScript

• Java

• C

• C++

To include the HTTP server in the node module, what function do we use?

• require()

• None of the above

• get()

• createServer()

What method is used to return the current working directory of the process?

• cwd()

• pwd()

• cmd()

• None of the above

How can we initiate a NodeJS file called Hello in Node?

• node Hello

• javascript Hello.js

• node Hello.js

• Hello,js

Amongst which of the following is / are true about MongoDB?

• 1. MongoDB is a cross-platform database

• 1. Document oriented database

• 1. High performance database

• 1. All of the mentioned above

A record in MongoDB is a ___

• 1. Table

• 1. Document

• 1. Application

• 1. None of the mentioned above

MongoDB stores documents in ___

• 1. Store

• 1. Collections

• 1. Indexes

• 1. None of the mentioned above

The Collections screen displays ___ for each collection in the selected database.

• 1. Collection name

• 1. Number of documents in the collection

• 1. None of the mentioned above

• 1. Both A. and B

Aggregation operations in MongoDB ___ values from multiple documents.

• 1. Data set

• Both Set and Group

• 1. Set

• 1. Group