Node JS 13 Set 1

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Free Online Best Node JS 13 MCQ Questions for improve your basic knowledge of Node JS 13. This Node JS 13 set 1 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

Where Not to Use Node.js?

A	CPU intensive applications
B	Client Side
C	Server Side
D	All of the Above

Question 2

Which of the following code print the total system memory of operating system?

A	console.log('total memory : ' + os.totalmem() + " bytes.");
B	console.log('total memory : ' + os.totalmem + " bytes.");
C	console.log('total memory : ' + os.getTotalMemory() + " bytes.");
D	None of Above

Question 3

Node uses _________ engine in core

A	Microsoft Chakra
B	Chorme V8
C	Node En
D	SpiderMonkey

Question 4

Which of the following stands true for dns.lookup(hostname[, options], callback) method?

A	Resolves a hostname (e.g. 'google.com') into the first found A (IPv4) or AAAA (IPv6) record.
B	If options is not provided, then IP v4 and v6 addresses are both valid. If options is an integer, then it must be 4 or 6.
C	Both of the above
D	None of Above

Question 5

What is the advantage of using node.js?

A	Great concurrency
B	Generally fast
C	It provides an easy way to build scalable network programs
D	All of the Above

Question 6

Node.js is ___________ Language

A	Server Side
B	Client Side
C	Both of the above
D	None of Above

Question 7

Is node js multithreaded?

A	TRUE
B	FALSE
C	None of the Above
D	both A and B

Question 8

Features of Node.js_____

A	Asynchronous and Event Driven,License
B	Very Fast,No Buffering
C	Single Threaded but Highly Scalable
D	All of the Above

Question 9

How do you kill a process in Node.js?

A	Ctrl + B
B	Ctrl + K
C	Ctrl + T
D	Ctrl + C

Question 10

Command to show installed version of Node___

A	$ npm --version
B	$ npm getVersion
C	$ node --version
D	$ node getVersion

Question 11

Which of the following core module is used to create a web server in Node.js?

A	fs
B	url
C	connect
D	http

Question 12

Which statement execute the code of sample.js file?

A	nodejs sample.js
B	node sample.js
C	sample.js
D	All of the Above

Question 13

Which of the following module is required to create a web server?

A	url module
B	net module
C	http module
D	web module

Question 14

Which extension is used to save NodeJs files?

A	.java
B	.txt
C	.node
D	.js

Question 15

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

A	C#
B	C++
C	JavaScript
D	Java

Question 16

Node.js is written in _____________ .

A	c
B	c++
C	Javascript
D	All of the Above

Question 17

For What npm stands?

A	Node Project Manager
B	Node Package Manager
C	New Project Manager
D	New Package Manager

Question 18

Which of following are a valid form of route path?

A	regular expressions
B	string patterns
C	strings
D	All of the Above

Question 19

What code print the endianness of operating system?

A	console.log('endianness : ' + os.getEndianness());
B	console.log('endianness : ' + os.endianness);
C	console.log('endianness : ' + os.endianness());
D	None of Above

Question 20

How to test if two nodes are equal?

A	. ==
B	equal()
C	isEqualNode()
D	None of Above

Question 21

Which of following is not builtin node module?

A	zlib
B	https
C	dgram
D	fsread

Question 22

Which method of fs module is used to write a file?

A	fs.write(path, flags[, mode], callback)
B	fs.writeFile(path, flags[, mode], callback)
C	fs.writePath(path, flags[, mode], callback)
D	None of Above

Question 23

Node.js is ____

A	an open source
B	cross-platform runtime environment for developing server-side and networking applications
C	Both of the above
D	None of the above

Question 24

How can we check the current version of NPM?

A	npm --ver
B	npm --version
C	npm help
D	None of the above

Question 25

Node.js is ________ by default.

A	Synchronous
B	Multi-threaded
C	Asynchronous
D	None of Above

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