15 Platform APIs 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 simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
B.the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application
C.the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
D.the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
Answer + AI explanation with Pro
2. Which term means: "the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime"?
Junior
A.Linking
B.permissions
C.Platform module
D.AsyncStorage
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Platform module — the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
B.Platform module — the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
C.Platform module — the API that reports the current width and height of the window or screen for responsive sizing decisions
D.Platform module — the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
Answer + AI explanation with Pro
4. What is AsyncStorage?
Mid
A.the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
B.the API that reports the current width and height of the window or screen for responsive sizing decisions
C.the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application
D.the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
Answer + AI explanation with Pro
5. Which term means: "the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device"?
Mid
A.Platform module
B.AsyncStorage
C.permissions
D.Linking
Answer + AI explanation with Pro
6. Which statement is correct?
Mid
A.AsyncStorage — the API that reports the current width and height of the window or screen for responsive sizing decisions
B.AsyncStorage — the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
C.AsyncStorage — the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
D.AsyncStorage — the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
Answer + AI explanation with Pro
7. What is Linking?
Mid
A.the API that reports the current width and height of the window or screen for responsive sizing decisions
B.the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
C.the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application
D.the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
Answer + AI explanation with Pro
8. Which term means: "the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application"?
Mid
A.Platform module
B.AsyncStorage
C.permissions
D.Linking
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.Linking — the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application
B.Linking — the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
C.Linking — the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
D.Linking — the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
Answer + AI explanation with Pro
10. What is permissions?
Mid
A.the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
B.the API that reports the current width and height of the window or screen for responsive sizing decisions
C.the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application
D.the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
Answer + AI explanation with Pro
11. Which term means: "the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources"?
Mid
A.AsyncStorage
B.permissions
C.Linking
D.Platform module
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.permissions — the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
B.permissions — the API that opens external URLs, phone dialers, or other apps and listens for inbound links handed to the application
C.permissions — the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
D.permissions — the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
Answer + AI explanation with Pro
13. What is Dimensions?
Junior
A.the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
B.the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
C.the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
D.the API that reports the current width and height of the window or screen for responsive sizing decisions
Answer + AI explanation with Pro
14. Which term means: "the API that reports the current width and height of the window or screen for responsive sizing decisions"?
Junior
A.Linking
B.Dimensions
C.permissions
D.AsyncStorage
Answer + AI explanation with Pro
15. Which statement is correct?
Junior
A.Dimensions — the runtime grants a user must approve before the app may use the camera, location, microphone, or other protected resources
B.Dimensions — the API that reports the current width and height of the window or screen for responsive sizing decisions
C.Dimensions — the API exposing the operating system name and version so code can branch behavior between iOS and Android at runtime
D.Dimensions — the simple, unencrypted, asynchronous key-value persistence store for small amounts of string data on the device
Answer + AI explanation with Pro
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