Quiz | Croma Campus

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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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 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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What is the purpose of the react-native-webview package?

To add web views 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-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 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 payments in React Native?

Stripe
PayPal
Braintree
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 react-native-svg-transformer package?

To transform SVG files into React Native components
To manage state
To define styles for components
To handle navigation

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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 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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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 languages is primarily used for React Native development?

Java
Python
JavaScript
C++

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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 component lifecycle method is called once, when the component is first mounted to the DOM?

componentDidMount()
componentWillMount()
componentDidUpdate()
componentWillUnmount

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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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What is the purpose of AsyncStorage in React Native?

To store data persistently
To handle asynchronous operations
To manage navigation
To define styles for components

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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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What is the purpose of the React Native Bridge?

To connect React Native components with native modules
To handle navigation in React Native apps
To define styles for components
To manage state in React Native apps

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Which of the following is used to handle user gestures in React Native?

Gestures API
PanResponder
GestureRecognizer
Touchable component

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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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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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What is the purpose of the react-native-reanimated package?

To handle animations
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 command is used to run a React Native app on an Android emulator?

react-native run-ios
react-native start-android
react-native run-android
react-native start-ios

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Which of the following is used to handle network requests in React Native?

fetch API
XMLHttpRequest
axios
All of the above

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React Native was developed by

Facebook
Google
Apple
Microsoft

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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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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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