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Which of the following is not a valid React Native component type?

  • Functional component
  • Class component
  • Pure component
  • Stateful component
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Which of the following is used to handle authentication in React Native?

  • Firebase Authentication
  • OAuth
  • JWT
  • All of the above
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What is the purpose of the fetch API in React Native?

  • To fetch data from an external API
  • To update the state of a component
  • To handle component rendering
  • To define styles for components
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Which of the following is a valid way to style components in React Native?

  • Using inline styles
  • Using external CSS files
  • Using the StyleSheet API
  • All of the above
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What is the purpose of the setState() method in React Native?

  • To set the initial state of a component
  • To update the state of a component
  • To render a component
  • To define props for a component
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What is the purpose of the StyleSheet API in React Native?

  • To create reusable components
  • To define styles for components
  • To manage navigation
  • To handle asynchronous operations
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Which of the following is used to debug React Native apps?

  • Chrome Developer Tools
  • React Native Debugger
  • Expo CLI
  • All of the above
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What is the purpose of the react-native-vector-icons package?

  • To add vector icons to a React Native app
  • To handle navigation
  • To define styles for components
  • To manage state
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Which command is used to install a new React Native package using npm?

  • npm install react-native-package
  • npm add react-native-package
  • npm create react-native-package
  • npm install -g react-native-package
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What is the purpose of the react-native-picker-select package?

  • To add select pickers to a React Native app
  • To manage state
  • To define styles for components
  • To handle navigation
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What is the purpose of the render() method in React Native?

  • To update the state of a component
  • To define the initial state of a component
  • To render the component's UI
  • To handle asynchronous operations
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Which of the following is used to handle internationalization in React Native?

  • react-native-localization
  • i18n-js
  • react-intl
  • All of the above
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Which of the following is used to handle form validation in React Native?

  • Formik
  • Yup
  • react-native-form-validator
  • All of the above
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What is the purpose of the flexbox layout model in React Native?

  • To handle navigation
  • To define styles for components
  • To manage the layout of components
  • To create animations
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Which of the following is not a valid navigation type in React Native?

  • Stack navigation
  • Tab navigation
  • Grid navigation
  • Drawer navigation
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Which of the following is used to handle analytics in React Native?

  • Google Analytics
  • Firebase Analytics
  • Mixpanel
  • All of the above
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Which of the following is used to handle user input in React Native?

  • Forms
  • TextInput component
  • TouchableOpacity component
  • All of the above
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Which of the following is used to handle file uploads in React Native?

  • react-native-fs
  • react-native-file-picker
  • react-native-document-picker
  • All of the above
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What is the purpose of the react-native-maps package?

  • To add maps to a React Native app
  • To manage state
  • To define styles for components
  • To handle navigation
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Which of the following is used to handle deep linking in React Native?

  • react-navigation
  • react-native-deep-linking
  • Linking API
  • All of the above
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Which of the following is used to handle payments in React Native?

  • Stripe
  • PayPal
  • Braintree
  • All of the above
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What is the purpose of the react-native-camera package?

  • To add camera functionality to a React Native app
  • To manage state
  • To define styles for components
  • To handle navigation
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What is the purpose of the react-native-image-picker package?

  • To handle image processing
  • To add image pickers to a React Native app
  • To define styles for images
  • To manage image caching
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Which of the following is used to handle geolocation in React Native?

  • react-native-geolocation
  • react-native-location
  • Geolocation API
  • All of the above
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React Native was developed by

  • Facebook
  • Google
  • Apple
  • Microsoft
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What is the purpose of the key prop in React Native?

  • To define unique identifiers for list items
  • To define the initial state of a component
  • To handle user input
  • To define styles for components
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Which of the following is used to handle animations in React Native?

  • CSS animations
  • Animated API
  • TransitionGroup
  • All of the above
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What is React Native?

  • A cross-platform mobile app development framework
  • A server-side scripting language
  • A database management system
  • A graphic design tool
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Which component lifecycle method is called once, when the component is first mounted to the DOM?

  • componentDidMount()
  • componentWillMount()
  • componentDidUpdate()
  • componentWillUnmount
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What command is used to create a new React Native project?

  • create-react-app
  • react-native create
  • npm init react-native-app
  • npm create-react-native-app
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