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

1 .

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 : Option (A) : $ npm ls -g

2 .

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 : Option (B) : Path module

3 .

Which of the following are Node.js streams types?

A)

Writable

B)

Duplex

C)

Readable

D)

All of the above

Correct Answer : Option (D) : All of the above

4 .

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 : Option (A) : npm install -g nodemon

5 .

Node uses _________ engine in core.

A)

Node En

B)

SpiderMonkey

C)

Chorme V8

D)

Microsoft Chakra

Correct Answer : Option (C) : Chorme V8

6 .

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

A)

events

B)

actions

C)

procedures

D)

callback

Correct Answer : Option (A) : events

7 .

How to test if two nodes are equal?

A)

==

B)

equal()

C)

isEqualNode()

D)

None of the above

Correct Answer : Option (C) : isEqualNode()

8 .

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 : Option (A) : /books/!:from-:to

9 .

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

10 .

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 : Option (C) : Both of the above