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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