Node JS Online Quiz, Node JS MCQ Quiz & Online Test

1 .

Node.js is ___________ Language.

A)

Server Side

B)

Client Side

C)

Both

D)

None of the above

Correct Answer : Server Side

2 .

Which of the followings are valid languages for Node.js?

A)

C#

B)

C++

C)

Javascript

D)

Java

Correct Answer : Javascript

3 .

Which extension is used to save NodeJs files?

A)

.node

B)

.js

C)

.txt

D)

.java

Correct Answer : .js

4 .

In Node process is ______

A)

Global Object

B)

Local Object

C)

Both

D)

None of the Above

Correct Answer : Global Object

5 .

Which function is used to include modules in Node Js.

A)

include();

B)

attach();

C)

require();

D)

All of the above

Correct Answer : require();

6 .

Which of following is not builtin node module.

A)

zlib

B)

https

C)

dgram

D)

fsread

Correct Answer : fsread

7 .

How Node.js modules are availble externally

A)

module.exports

B)

module.expose

C)

module.spread

D)

None of the Above

Correct Answer : module.exports

8 .

What does the fs module stand for?

A)

File Service

B)

File System

C)

File Store

D)

None of the above

Correct Answer : File System

9 .

What is the default scope in Node.js application.

A)

Local

B)

Public

C)

Private

D)

Global

Correct Answer : Local

10 .

Which of the following is true about RESTful web services?

A)

Webservices based on REST Architecture are known as RESTful web services

B)

Webservices uses HTTP methods to implement the concept of REST architecture

C)

Both of the above

D)

None of the above

Correct Answer : Both of the above

11 .

In Nodejs how node based web servers differ from traditional web servers?

A)

Node based server uses a single threaded model and can serve much larger number of requests compared to any traditional server like Apache HTTP Server.

B)

Node based server process request much faster than traditional server.

C)

There is no much difference between the two.

D)

All of the above

Correct Answer : Node based server uses a single threaded model and can serve much larger number of requests compared to any traditional server like Apache HTTP Server.

12 .

What are the key features of Node.js?

A)

Builds fast and scalable network Applications

B)

Highly scalable servers for Web Applications

C)

Real time Data intensive

D)

All of the above

Correct Answer : All of the above

13 .

How can we check the current version of NPM?

A)

npm --version

B)

npm --ver

C)

npm help

D)

None of the above

Correct Answer : npm --version

14 .

What is the advantage of using node.js?

A)

It provides an easy way to build scalable network programs

B)

Great concurrency

C)

Generally fast

D)

All of these

Correct Answer : All of these

15 .

Why a Node.JS code is pretty fast although being written in JavaScript?

A)

Node.JS internally converts JavaScript code to Java based code and then execute the same

B)

Node.JS internally converts JavaScript code to C based code and then execute the same

C)

Being built on Google Chrome's V8 JavaScript Engine

D)

None of the above

Correct Answer : Being built on Google Chrome's V8 JavaScript Engine

16 .

What is REPL in Node.js?

A)

Eval

B)

Print

C)

Loop

D)

All of these

Correct Answer : All of these

17 .

Which module is used to serve static resources in Node.js?

A)

http

B)

node-static

C)

node-resource

D)

static

Correct Answer : node-static

18 .

Is console a global object?

A)

false

B)

true

C)

null

D)

none

Correct Answer : null

19 .

Which of following are a valid form of route path?

A)

regular expressions

B)

string patterns

C)

strings

D)

All of above

Correct Answer : All of above

20 .

Command to show installed version of Node?

A)

$ npm --version

B)

$ npm getVersion

C)

$ node --version

D)

$ node getVersion

Correct Answer : $ node --version

21 .

Which of the following are not Node.js web application frameworks for?

A)

Geddy

B)

Express.js

C)

Aurelia

D)

Locomotive

Correct Answer : Aurelia

22 .

Which of the following template engines can be used with Node.js?

A)

Jade

B)

Vash

C)

Handlebars

D)

All of the above

Correct Answer : Handlebars

23 .

Which method returns the current working directory of the process.

A)

cwd();

B)

pwd();

C)

process.cwd();

D)

None of the above

Correct Answer : process.cwd();

24 .

In which of the following areas, Node.js is perfect to use?

A)

I/O bound Applications

B)

Data Streaming Applications

C)

Data Intensive Realtime Applications DIRT

D)

All of the above

Correct Answer : All of the above

25 .

What should you do in your code to improve your application’s performance?

A)

Use gzip compression

B)

Do logging correctly

C)

Handle exceptions properly

D)

Don’t use synchronous functions

Correct Answer : Use gzip compression

26 .

To install Node.js express module

A)

$ npm install express

B)

$ node install express

C)

$ install express

D)

None of the above

Correct Answer : $ npm install express

27 .

Which of the following tool automates various tasks of Node.js application?

A)

Express.js

B)

GruntJS

C)

NPM

D)

None of the above

Correct Answer : GruntJS

28 .

What is Callback?

A)

Callback is a technique in which a method call back the caller method.

B)

Callback is an asynchronous equivalent for a function.

C)

Both of the above.

D)

None of the above.

Correct Answer : Both of the above.

29 .

How do you kill a process in Node.js?

A)

Ctrl + B

B)

Ctrl + K

C)

Ctrl + T

D)

Ctrl + C

Correct Answer : Ctrl + C

30 .

How many Node object methods are available?

A)

14

B)

16

C)

18

D)

20

Correct Answer : 18

31 .

Node.js terminal (REPL) is used for _________.

A)

the preview of node.js application.

B)

testing node.js/JavaScript expressions

C)

executing browser’s JavaScript expressions.

D)

None of the above

Correct Answer : testing node.js/JavaScript expressions

32 .

In Node.js APIs of Node.JS are which of the following?

A)

Asynchronous

B)

Synchronous

C)

Both of the above

D)

None of the above

Correct Answer : Asynchronous

33 .

Which of the following class is used to create and consume custom events in Node.js?

A)

Events

B)

NodeEvent

C)

EventEmitter

D)

None of the above

Correct Answer : EventEmitter

34 .

How can we create instance of http module?

A)

var http = require("http")

B)

var http = new require("http")

C)

var http = new http()

D)

None of the above

Correct Answer : var http = require("http")

35 .

Node.js supports which of the following platform?

A)

Windows

B)

Macintosh

C)

Unix/Linux

D)

All of the above

Correct Answer : All of the above

36 .

In Nodejs what is use of underscore variable in REPL session?

A)

to store the result

B)

to get the last command used

C)

to get the last result

D)

None of the above

Correct Answer : to get the last result

37 .

Which statement is valid in using a Node module fs in a Node based application?

A)

import fs

B)

package fs

C)

var fs = require("fs")

D)

var fs = import("fs")

Correct Answer : var fs = import("fs")

38 .

REPL stands for.

A)

Read Eval Print Loop

B)

Read Eval Point Loop

C)

Read Earn Point Learn

D)

Research Eval Program Learn

Correct Answer : Read Eval Print Loop

39 .

Command to start Node REPL

A)

$ node start

B)

$ node repl

C)

$ node

D)

$ node console

Correct Answer : $ node

40 .

For What npm stands?

A)

Node Project Manager

B)

Node Package Manager

C)

New Package Manager

D)

New Project Manager

Correct Answer : Node Package Manager

41 .

Command to list all modules that are install globally?

A)

$ npm ls -g

B)

$ node ls -g

C)

$ npm ls

D)

$ node ls

Correct Answer : $ npm ls -g

42 .

Which of the following module is required for path specific operations ?

A)

Os module

B)

Path module

C)

Fs module

D)

All of the above.

Correct Answer : Path module

43 .

Which of the following are Node.js streams types?

A)

Writable

B)

Duplex

C)

Readable

D)

All of the above

Correct Answer : All of the above

44 .

How do you install Nodemon using Node.js?

A)

npm install -g nodemon

B)

node install -g nodemon

C)

Both

D)

None of the above

Correct Answer : npm install -g nodemon

45 .

Node uses _________ engine in core.

A)

Node En

B)

SpiderMonkey

C)

Chorme V8

D)

Microsoft Chakra

Correct Answer : Chorme V8

46 .

Something that happened in our application that we can respond too.

A)

events

B)

actions

C)

procedures

D)

callback

Correct Answer : events

47 .

How to test if two nodes are equal?

A)

==

B)

equal()

C)

isEqualNode()

D)

None of the above

Correct Answer : isEqualNode()

48 .

Select all valid rout parameter formats

A)

/books/!:from-:to

B)

/books/:from-:to

C)

/books/:bookId/Id/

D)

None of the above

Correct Answer : /books/!:from-:to

49 .

Which of the following is the correct way to get a normalized path?

A)

os.normalize('/test/test1//2slashes/1slash/tab/..')

B)

fs.normalize('/test/test1//2slashes/1slash/tab/..')

C)

path.normalize('/test/test1//2slashes/1slash/tab/..')

D)

None of the above

Correct Answer : path.normalize('/test/test1//2slashes/1slash/tab/..')

50 .

Which of the following is true about readable stream?

A)

Readable stream is used for read operation

B)

Output of readable stream can be input to a writable stream

C)

Both of the above

D)

None of the above

Correct Answer : Both of the above

51 .

How many node types are there in total?

A)

11

B)

12

C)

13

D)

14

Correct Answer : 12

52 .

What is the purpose of the Node object property ownerDocument?

A)

Returns the parent node

B)

Returns the immediate node

C)

Returns the last element

D)

Returns the root element

Correct Answer : Returns the root element

53 .

Which method is used to compare the placement of two nodes in the DOM hierarchy (document)?

A)

cloneNode()

B)

compareDocumentPosition()

C)

getUserData()

D)

getFeature()

Correct Answer : compareDocumentPosition()

54 .

Which of the following Node object property returns the node immediately before a node?

A)

previousSibling

B)

textContent

C)

localName

D)

index

Correct Answer : previousSibling