15 Build & Tooling questions from the React Native bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
B.the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
C.shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
D.the development feature that instantly applies edits to a running app while preserving component state where possible
Answer + AI explanation with Pro
2. Which term means: "the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development"?
Junior
A.Fast Refresh
B.Metro bundler
C.over-the-air updates
D.Expo managed workflow
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Metro bundler — the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
B.Metro bundler — the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
C.Metro bundler — the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
D.Metro bundler — shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
Answer + AI explanation with Pro
4. What is Expo managed workflow?
Mid
A.the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
B.the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
C.the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
D.the development feature that instantly applies edits to a running app while preserving component state where possible
Answer + AI explanation with Pro
5. Which term means: "the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio"?
Mid
A.Fast Refresh
B.bare workflow
C.over-the-air updates
D.Expo managed workflow
Answer + AI explanation with Pro
6. Which statement is correct?
Mid
A.Expo managed workflow — the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
B.Expo managed workflow — the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
C.Expo managed workflow — the development feature that instantly applies edits to a running app while preserving component state where possible
D.Expo managed workflow — the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
Answer + AI explanation with Pro
7. What is bare workflow?
Mid
A.the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
B.the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
C.the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
D.the development feature that instantly applies edits to a running app while preserving component state where possible
Answer + AI explanation with Pro
8. Which term means: "the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library"?
Mid
A.bare workflow
B.Metro bundler
C.Expo managed workflow
D.Fast Refresh
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.bare workflow — the development feature that instantly applies edits to a running app while preserving component state where possible
B.bare workflow — the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
C.bare workflow — the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
D.bare workflow — shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
Answer + AI explanation with Pro
10. What is over-the-air updates?
Senior
A.the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
B.the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
C.shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
D.the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
Answer + AI explanation with Pro
11. Which term means: "shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores"?
Senior
A.Metro bundler
B.over-the-air updates
C.Expo managed workflow
D.bare workflow
Answer + AI explanation with Pro
12. Which statement is correct?
Senior
A.over-the-air updates — the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
B.over-the-air updates — shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
C.over-the-air updates — the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
D.over-the-air updates — the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
Answer + AI explanation with Pro
13. What is Fast Refresh?
Mid
A.the development feature that instantly applies edits to a running app while preserving component state where possible
B.the JavaScript bundler that resolves modules, transforms code, and serves a single packaged file with fast refresh during development
C.shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
D.the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
Answer + AI explanation with Pro
14. Which term means: "the development feature that instantly applies edits to a running app while preserving component state where possible"?
Mid
A.Expo managed workflow
B.over-the-air updates
C.Metro bundler
D.Fast Refresh
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Fast Refresh — the setup that exposes the raw iOS and Android project folders, giving full control to add any custom native code or library
B.Fast Refresh — the approach where the framework handles native build configuration so developers write only JavaScript without touching Xcode or Android Studio
C.Fast Refresh — shipping new JavaScript and asset bundles directly to installed apps without resubmitting to the app stores
D.Fast Refresh — the development feature that instantly applies edits to a running app while preserving component state where possible
Answer + AI explanation with Pro
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