Android Device Testing Quiz

This quiz is designed to test your knowledge of testing Android applications on physical devices using the Android Debug Bridge (ADB). It covers essential concepts like ADB setup, enabling USB debugging, configuring ADB on different operating systems, and troubleshooting common issues. Use this quiz to assess your understanding of how to connect and test apps on real Android devices, ensuring a smooth development process beyond virtual environments.

What is required for wireless debugging on an Android device?

Connecting the device to a LAN cable.

Enabling USB debugging only.

Enabling Wireless Debugging in Developer options.

Rooting the Android device.

None

Which option should be selected in the run target menu to pair an Android device using Wi-Fi?

Enable AVD Pairing

Device Sync

Pair Devices Using WiFi

Troubleshoot Device Connections

None

What is the primary purpose of the Android Debug Bridge (ADB)?

To create backups of Android device data.

To facilitate interaction between Android Studio and both AVD emulators and Android devices for running and debugging applications.

To install applications directly on Android devices.

To manage user accounts on Android devices.

None

What command lists the connected AVD or physical devices using ADB?

adb connect-devices

adb list-devices

adb devices

adb show-devices

None

What is the function of the 'adb devices' command?

It lists all available Android SDKs.

It shows the list of connected AVD and physical devices.

It restarts the ADB server.

It installs applications on a connected device.

None

Why might it be necessary to install manufacturer-specific drivers for ADB on Windows?

Because generic drivers do not support ADB functions for all devices.

To access the device’s bootloader.

To enable faster app deployment.

To allow wireless debugging.

None

What command should be run if the ADB server needs to be restarted on Windows?

adb kill-server && adb start-server

adb restart-server

adb start

adb start-server

None

Which of the following is required before ADB can connect to an Android device over a USB connection?

The device must have USB debugging enabled.

The device must be in recovery mode.

The device must be rooted.

The development system must use Linux.

None

What is a common troubleshooting step if ADB fails to detect a device on macOS?

Reset the Android device to factory settings.

Reinstall macOS.

Log out and back into the macOS desktop.

Uninstall and reinstall Android Studio.

None

10.

Which command is used to restart the ADB server?

adb restart

adb kill-server && adb start-server

adb start-server

adb reset-server

None

11.

Which package must be installed on Ubuntu Linux to enable ADB for testing on physical devices?

ubuntu-adb-tools

linux-tools-adb

android-tools-adb

android-studio-adb

None

12.

Why is testing on a physical device important compared to using only an AVD?

Some Android features are only available on physical devices.

Physical devices have a better display resolution.

AVDs do not support debugging.

Physical devices are faster than AVDs in all cases.

None

13.

What should you do if an Android device is listed as 'offline' after connecting it to a macOS system?

Reinstall Android Studio.

Disconnect and reconnect the USB cable.

Reboot the Android device.

Check the device for a USB debugging permission dialog and allow it.

None

14.

What does the 'Allow USB debugging' dialog on an Android device do?

It allows the development system to access device data.

It grants permission for the development system to deploy and debug apps on the device.

It allows the device to connect to any Wi-Fi network.

It enables the device to be rooted.

None

15.

Which group membership is required for an Ubuntu user to use ADB?

adbuser

sudo

plugdev

root

None

16.

What is the default port used by ADB for communication?

5037

8080

5000

5554

None

17.

Why might a user need to reboot their system during ADB configuration?

To clear all ADB connections.

To update Android Studio.

To apply changes made to system settings, such as group memberships or driver installations.

To reset the Android device.

None

18.

What should you do if your device is listed as 'unauthorized' in the ADB device list?

Reinstall the ADB drivers.

Enable developer mode again.

Restart the Android device.

Check for a dialog on the device to authorize USB debugging.

None

19.

Which Android Studio feature allows you to see the display of a physical device within the IDE?

Device Emulator

Device Simulation

Screen Capture

Device Mirroring

None

20.

Which of the following is NOT a necessary step when configuring ADB on a Windows system?

Installing the appropriate USB drivers.

Including the Android SDK platform-tools in the PATH environment variable.

Rebooting the Android device.

Executing the ‘android update adb’ command.

None