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

Rebooting the Android device.

Executing the ‘android update adb’ command.

Installing the appropriate USB drivers.

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

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 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

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 is required for wireless debugging on an Android device?

Connecting the device to a LAN cable.

Enabling Wireless Debugging in Developer options.

Enabling USB debugging only.

Rooting the Android device.

None

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

Device Mirroring

Screen Capture

Device Simulation

Device Emulator

None

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

Restart the Android device.

Reinstall the ADB drivers.

Enable developer mode again.

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

None

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

ubuntu-adb-tools

android-tools-adb

linux-tools-adb

android-studio-adb

None

What is the default port used by ADB for communication?

5000

8080

5554

5037

None

10.

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

adb start-server

adb restart-server

adb kill-server && adb start-server

adb start

None

11.

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

Disconnect and reconnect the USB cable.

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

Reinstall Android Studio.

Reboot the Android device.

None

12.

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

adbuser

root

sudo

plugdev

None

13.

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

14.

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

To clear all ADB connections.

To update Android Studio.

To reset the Android device.

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

None

15.

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

Physical devices have a better display resolution.

Physical devices are faster than AVDs in all cases.

Some Android features are only available on physical devices.

AVDs do not support debugging.

None

16.

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

Troubleshoot Device Connections

Enable AVD Pairing

Device Sync

Pair Devices Using WiFi

None

17.

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

It allows the development system to access device data.

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 enables the device to be rooted.

None

18.

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

adb show-devices

adb devices

adb list-devices

adb connect-devices

None

19.

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

Uninstall and reinstall Android Studio.

Reset the Android device to factory settings.

Reinstall macOS.

Log out and back into the macOS desktop.

None

20.

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 device must have USB debugging enabled.

The device must be rooted.

The development system must use Linux.

None