React Native quiz medium level

Test description

This quiz is composed of 20 questions that go through all the key-concepts of the React Native framework for developing mobile applications.
Topics: basic concepts, components, native modules, props and state, layouts, images, networking, etc.

AppRegistry.startApp('AppId', () => App);

AppRegistry.registerComponent('AppId', () => App);

React.render('AppId', () => App);

React.mount('AppId', () => App);