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Q.1
What is state in React?
A persistant storage.
An internal data store (object) of a component.
Q.2
Life cycle methods of a components fall under following categories?
Mounting, Unmounting
Mounting, Updating
Mounting, Updating, Unmounting
All of above
Q.3
One can define default values for properties, props, using which of the following method?
getDefaultProps
getPropsValue
getInitialState
None of these
Q.4
React.js Covers only the view layer of the app.
Yes
No
Q.5
Variabel default React JS
Props
Statefull
Stateless
State
Q.6
There are two types of components in React JS
UseState, Stateless
Statefull, Stateless
Unstatefull Statefull
None of these
Q.7
Is React.JS is paid?
Yes
No
Q.8
Axios is an __________?
Framework
Library
Package
All These Above
Q.9
. .............. helps react for keeping their data unidirectional.
JSX
Flux
Dom
Props
Q.10
Who is the father of React.js?
Jordan mike
Jordan Walke
Nile
Nike John
Q.11
Mit welchem Befehl starten wir die React App?
npm run dev
npm serve
npm start
npm build
Q.12
What is ReactJS?
Server side Framework
User-interface framework
A Library for building interaction interfaces
None of the above
Q.13
React is for building _________
Connectivity
User Interface
Database
All of above
Q.14
What is Axios in Node?
npm component
Promise based HTTP client for the browser and node.js
A company
None of these
Q.15
React.Js is a __________?
Framework
Library
None of these.
Q.16
React.Js was created by ___________?
Google
Microsoft
Facebook
All of above
Q.17
Which concept includes OOP's?
Functional Components
Class Components
Oriented Components
None of these
Q.18
What is React.Js used for?
Server-Side
Client-Side
For Both
None of these
Q.19
Will useEffect affect other data?
True
False
Q.20
What was the Output?const [data , setData] = useState("Alex");console.log(data);
data
data Alex
Alex
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