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React JS Gate & PSU MCQ Questions With Answers
1.
Um eine React Anwendung zu entwickeln und zu starten braucht man Node.js
True
False
2.
Was sind die Vorteile von React?
Schnell
Components
sieht gut aus
3.
Wie erstellt man nochmal ein React Projekt?
npx create-react-app my-app
npm create-react my-app
npx create-react-app
npm create-react-app
4.
Wer sagt das zu wem? „Du musst noch sehr viel lernen, mein sehr junger Padawan.“
Obi-Wan Kenobi zu Anakin Skywalker
Darth Vader zu Luke Skywalker
Boba Fett zu Leia Organa
Anakin Skywalker zu Han Solo
5.
Eine "Kopie" vom DOM nennt man wie?
Virtual DOM
React DOM
Shadow DOM
DOM
6.
Wie heißt der Sidekick von Batman?
Robin
Robert
Rudolf
Rupert
7.
Was ist React?
JavaScript Library
JavaScript Framework
HTML, CSS, JavaScript Modul
eine Programmiersprache
8.
Welches davon ist die richtige Syntax für ein click event handler?
9.
Was bedeutet MERN?
MongoDB + ExpressJS + React + NodeJS
MongoDB + EspressJS + RueJS + NodeJS
MangaDB + ExpressJS + ReactJS + NudelJS
10.
Was nutzt man um Daten von außerhalb an Components weiter zugeben?
props
setState
PropTypes
11.
Wie heißt Gollum eigentlich?
Sméagol
Sandigmann
Schagrat
12.
What are the two react component types?
Class Components,Functional Components
Data Component,Class Component
Functional components only
Mid Component, Last Component
13.
Axios is an __________?
Framework
Library
Package
All These Above
14.
What is the DOM?
Document Object Model
Data Object Model
Data Option Model
Documentation Object Model
15.
Is React.JS is paid?
Yes
No
16.
What is JSX?
it is a syntax extension to JavaScript.
JSX produces data.
Tool to control the data
17.
React.Js was created by ___________?
Google
Microsoft
Facebook
All of above
18.
What function can be used to update state?
setState()
updateState()
upState()
downState()
19.
React.Js is a __________?
Framework
Library
None of these.
20.
Which concept includes OOP's?
Functional Components
Class Components
Oriented Components
None of these
21.
React is for building _________
Connectivity
User Interface
Database
All of above
22.
What was the Output?const [data , setData] = useState("Alex");console.log(data);
data
data Alex
Alex
23.
What is Axios in Node?
npm component
Promise based HTTP client for the browser and node.js
A company
None of these
24.
What is React.Js used for?
Server-Side
Client-Side
For Both
None of these
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