React Native Practice Test

Question 1

What is the meaning of Babel?

Accepted Answer

A JavaScript Compiler

Answer

A JavaScript transpiler

Answer

A JavaScript interpreter

Answer

None of the above

Question 2

What is the implementation of the Navigator component in React Native?

Accepted Answer

JavaScript

Answer

HTML

Answer

Java

Answer

C++

Question 3

Who was the author of the JSL when it was first written?

Accepted Answer

Jordan Walke

Answer

April Landel

Answer

Harrison Fran

Answer

John Gilderoy

Question 4

What is the method for passing data to a component from the outside in React?

Accepted Answer

props

Answer

setState

Answer

PropTypes

Answer

render with arguments

Question 5

Which HTML keywords aren't available in JSX?

Accepted Answer

both a & b

Answer

for

Answer

class

Answer

None of the above

Question 6

When was the first release of the JavaScript library?

Accepted Answer

2013

Answer

2011

Answer

2014

Answer

2016

Question 7

How can you get to a component's state from within a member function?

Accepted Answer

this.va|ues

Answer

this.state

Answer

this.prototype.stateValue

Answer

this.getState()

Question 8

Choose the result of typing "npm init" at the command prompt.

Accepted Answer

Initializes a package.json file

Answer

Initializes the node_modules file

Answer

Initializes the myproject init file

Answer

Initializes the react.json file

Question 9

What can you build with React?

Accepted Answer

User interfaces

Answer

Cryptocurrency

Answer

Mini-games

Answer

Applications

Question 10

Other components are — into props.

Accepted Answer

Methods

Answer

Injected

Answer

Both A & C

Answer

None of the above