Android Studio - 43 - Profiling and Performance Optimization MCQ

Android Studio – 43 – Profiling and Performance Optimization

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1. What is profiling in Android development?

Analyzing an app's behavior and performance

A technique for drawing on the screen

A programming language

A type of emulator

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2. Why is profiling important for Android apps?

To identify and fix performance issues

A programming language

To create visually appealing user interfaces

A type of emulator

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3. What is the Android Profiler tool used for?

A type of emulator

Analyzing and optimizing app performance

Debugging Android apps

A programming language

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4. How can you access the Android Profiler in Android Studio?

By clicking on the "Profiler" tab in the Android Studio toolbar

By running a Gradle command

By selecting "Profile" from the "Run" menu

By opening the Android Profiler app on the device

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5. What does CPU profiling in Android Profiler analyze?

The graphical user interface (GUI) of the app

The Central Processing Unit (CPU) usage

The Android operating system

A type of emulator

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6. What does Memory profiling in Android Profiler analyze?

The memory usage and allocations in the app

A type of emulator

The Android operating system

The Central Processing Unit (CPU) usage

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7. What is the purpose of Network profiling in Android Profiler?

To track the usage of hardware components

To profile the user interface

To measure network latency and data transfer

To analyze app code

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8. What is the purpose of Battery profiling in Android Profiler?

To analyze app code

To measure battery voltage

To monitor battery usage by the app

To profile the user interface

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9. What is the Android Systrace tool used for?

A type of emulator

Drawing on the screen

Collecting and analyzing system traces

A programming language

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10. How can you capture a Systrace trace in Android Studio?

By running a Gradle command

By editing the app's build configuration

By clicking on the "Record" button in the Android Profiler

By taking a screenshot of the app's UI

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11. What is the purpose of using sampling in CPU profiling?

To analyze app code

To capture detailed CPU usage data at regular intervals

To profile the user interface

To measure CPU usage continuously

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12. What does the “Frames” view in CPU profiling show?

A timeline of app's UI frame rendering

The number of frames in a video

A type of emulator

The Android operating system

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13. What is the purpose of the “Heap Dump” feature in Memory profiling?

To capture and analyze the memory usage at a specific moment

To profile the user interface

To analyze the network usage of the app

To capture screenshots of the app

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14. What is the purpose of the “Network Request” view in Network profiling?

To view detailed information about network requests

To measure CPU usage continuously

To analyze app code

To profile the user interface

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15. What does the “Battery Historian” tool analyze?

A type of emulator

Battery usage and app behavior over time

The Android operating system

Battery voltage

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16. How can you analyze method traces in Android Profiler?

By opening the "Method Traces" tab in the Android Profiler

By running a Gradle command

By clicking on "Traceview" in the Android Profiler

By editing the app's build configuration

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17. What is GPU rendering profiling used for?

To analyze app code

To analyze the rendering performance of the app

To profile the user interface

To measure CPU usage

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18. What is the purpose of the “Overdraw” feature in GPU rendering profiling?

To analyze app code

To count the number of frames rendered

To profile the user interface

To identify areas of the screen that are redrawn unnecessarily

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19. What is the “Systrace” feature used for in GPU rendering profiling?

To measure the battery voltage

To capture system traces related to GPU rendering

To profile the user interface

To analyze app code

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20. How can you analyze the GPU rendering performance of an Android app?

By editing the app's build configuration

By running a Gradle command

By enabling GPU rendering profiling in Android Profiler

By taking screenshots of the app's UI during rendering

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21. What is the Android Layout Inspector tool used for?

To analyze app code

To inspect the visual layout of an app

To profile the user interface

To measure CPU usage continuously

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22. How can you use the Android Layout Inspector in Android Studio?

By editing the app's build configuration

By running a Gradle command

By clicking on the "Layout" tab in the Android Profiler

By selecting "Layout Inspector" from the "Tools" menu

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23. What is the purpose of analyzing and optimizing app performance?

To enhance user experience and reduce resource usage

To make the app more visually appealing

A type of emulator

A programming language

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24. What is the recommended approach for optimizing app performance in Android?

A type of emulator

Increase the app's graphical complexity

A programming language

Use profiling tools to identify bottlenecks and performance issues

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25. What is the purpose of using code analysis tools for performance optimization?

To analyze user interface design and layout

To identify code-related performance issues

A type of emulator

A programming language

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26. How can you use code analysis tools in Android Studio for performance optimization?

By running code inspections and using lint checks

By editing the app's build configuration

By capturing method traces in Android Profiler

By enabling GPU rendering profiling

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Android Studio – 43 – Profiling and Performance Optimization MCQ