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.

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

root

sudo

adbuser

plugdev

None

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

Device Sync

Troubleshoot Device Connections

Enable AVD Pairing

Pair Devices Using WiFi

None

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

The device must be in recovery mode.

The development system must use Linux.

The device must be rooted.

The device must have USB debugging enabled.

None

What is the default port used by ADB for communication?

5037

5554

5000

8080

None

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

To allow wireless debugging.

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

To access the device’s bootloader.

To enable faster app deployment.

None

Which command is used to restart the ADB server?

adb restart

adb reset-server

adb start-server

adb kill-server && adb start-server

None

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

Reinstall Android Studio.

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

Reboot the Android device.

Disconnect and reconnect the USB cable.

None

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

linux-tools-adb

android-studio-adb

ubuntu-adb-tools

android-tools-adb

None

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

To install applications directly on Android devices.

To manage user accounts on Android devices.

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

To create backups of Android device data.

None

10.

What is required for wireless debugging on an Android device?

Enabling USB debugging only.

Rooting the Android device.

Enabling Wireless Debugging in Developer options.

Connecting the device to a LAN cable.

None

11.

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

adb start-server

adb start

adb restart-server

adb kill-server && adb start-server

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 command lists the connected AVD or physical devices using ADB?

adb show-devices

adb list-devices

adb devices

adb connect-devices

None

14.

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

To clear all ADB connections.

To reset the Android device.

To update Android Studio.

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

None

15.

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

Screen Capture

Device Simulation

Device Mirroring

Device Emulator

None

16.

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

Installing the appropriate USB drivers.

Executing the ‘android update adb’ command.

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

Rebooting the Android device.

None

17.

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

It enables the device to be rooted.

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

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

It allows the development system to access device data.

None

18.

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

It restarts the ADB server.

It shows the list of connected AVD and physical devices.

It installs applications on a connected device.

It lists all available Android SDKs.

None

19.

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

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

Restart the Android device.

Enable developer mode again.

Reinstall the ADB drivers.

None

20.

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

Uninstall and reinstall Android Studio.

Reinstall macOS.

Reset the Android device to factory settings.

Log out and back into the macOS desktop.

None