Confuse Skull: React Native MCQ's

React Native MCQ's

1. It is compulsory to install Xcode or Android studio for react native mobile application development.

False

2. Developer of React Native is _______________.

Facebook

3. React Native is ‘learn once, run anywhere’.

False

4. JSX is JavaScript with a syntax extension which allows a mixture between _____ and _.

Java and XML tags

5. Which method is called when a component is being removed from the DOM?

componentWillUnmount()

6. AppRegistry is the JavaScript exit point to run all React Native apps.

False

7. Please select the one which is not a React Native UI Component.

Switch

8. _______________ are the building blocks for a React Native application.

Components

9. The application file for Android is .apk extension and for iOS is _______________ extension.

ipa

10. Which of the following properties Flex box Layout has?

All

11. With React Native,you just style your application using _______________ -

javascript

12. _______________ is a component that enable navigation between different screens in the applications.

Navigator

13. How do you create a new React Native project?

react-native init

14. _______________ is an architectural pattern that enforces unidirectional data flow.

view

15. You can use any CSS in the styles of the React Native StyleSheet object.

True

16. AppRegistry is the JavaScript entry point for running all React Native apps.

True

17. By writing CSS in JavaScript, you are isolating styles from _______________.

Global namespace

18. The _______________ file defines some metadata for our project and, most importantly, declares react-native as a dependency of our own project

package.json

19. In React Native, Geolocation API is available through the _______________ global, so you do not need to import it.

- navigator.geolocation.

20. ______________ captures user touch events.

touchablehighlightd

21. FormsModule is imported from @angular/_______ in Model Driven Form.

none of these

22. React Native is like other Hybrid Apps which are actually slower than Native mobile apps.

False

23. In Reactive forms, the HTML of the forms are automatically created.

False

24. React Native supports DOM and Virtual DOM concept.

False

25. What type of data does a ListView take?

data source

26. Which method retrieves automatic updates about the current location of the device?

watch position

27. One of the benefits of React Native vs. Native Development is that React Native has the live reload ability

True

28. Live Reloading and Hot Loading is present in React Native Developer Tools.

true

29. For networking needs, React Native framework provides the fetch API.

true

30. Which command you have to run for installing React Native?

npm install -g react-native-cli

31. To build an iOS app, you need a Mac OS and to build an android app you want ____________

any

32. _______________ captures user touch events.

touchable highlight

33. Which command you have to run for installing React Native?

npm install -g create-react-native-app

34. React Native supports DOM and Virtual DOM concept.

False

35. The _______________ file defines some metadata for our project and, most importantly, declares react-native as a dependency of our own project

package.json

36. By writing CSS in JavaScript, you are isolating styles from _______________.

Global namespace

37. AppRegistry is the JavaScript entry point for running all React Native apps.

True

38. _______________ is an architectural pattern that enforces unidirectional data flow.

Flex

39. What is the main difference between React and React Native?

ReactJS is a Library where react native is a framework.

40. React Native is not having third-party plugin compatibility.

False

41. Which Objective C file can be used to switch the React Native bundle location in bundle.cc?

Appdelegate.m

42. React Native is ‘learn once, write anywhere’.

True

43. Which of the following is not a React Native API?

Modal

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