NativeScript for Mobile App Development NativeScript Fundamentals 3

Question 1

What is the NativeScript Playground?

Accepted Answer

A browser-based tool to write and preview NativeScript apps on a device

Answer

An Android Studio plugin

Answer

A VS Code offline emulator

Answer

A cloud build service only

Question 2

What does the `ns doctor` command do?

Accepted Answer

Checks that all required dependencies and environment variables are correctly configured

Answer

Fixes broken native modules automatically

Answer

Audits npm packages for vulnerabilities

Answer

Restarts the Metro bundler

Question 3

Which webpack plugin bundles NativeScript applications?

Accepted Answer

@nativescript/webpack

Answer

nativescript-bundle-plugin

Answer

ns-webpack-loader

Answer

native-bundler

Question 4

What is the purpose of the `node_modules` folder in a NativeScript project?

Accepted Answer

It stores npm packages including NativeScript core and plugins

Answer

It stores compiled native code

Answer

It contains generated Swift and Kotlin files

Answer

It stores device-specific assets

Question 5

Which environment variable must be set for Android builds in NativeScript?

Accepted Answer

ANDROID_HOME

Answer

ANDROID_SDK

Answer

JAVA_ANDROID

Answer

NDK_HOME

Question 6

What does the `--hmr` flag enable when running a NativeScript app?

Accepted Answer

Hot Module Replacement for live code updates without full restart

Answer

HTTP/2 routing

Answer

Headless mode rendering

Answer

Hardware memory reporting