21. Which data transfer format is most commonly used with APIs?

  • Text
  • JSON
  • XML

22. Which one of the following is a valid command for running your unit tests?

  • test npm
  • run test
  • react test
  • npm run test

23. Which type of form validation occurs after the user has pressed on the submit button?

  • Ad-hoc form validation
  • Client-side form validation
  • Server-side form validation

24. Of the four major elements outlined by the WCAG (Web Content Accessibility Guidelines), which one is mostly concerned with providing features such as screen readers and synthesized speech?

  • Operable
  • Robust
  • Perceivable
  • Understandable

25. Which type of destructuring is being used in the following code snippet?

import React, { useState } from "react";

  • import destructuring
  • json destructuring
  • array destructuring
  • object destructuring

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