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

adb start

adb restart-server

adb kill-server && adb start-server

adb start-server

None

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

To enable faster app deployment.

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

To allow wireless debugging.

To access the device’s bootloader.

None

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

It installs applications on a connected device.

It restarts the ADB server.

It shows the list of connected AVD and physical devices.

It lists all available Android SDKs.

None

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

The device must be rooted.

The device must be in recovery mode.

The development system must use Linux.

The device must have USB debugging enabled.

None

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

To install applications directly on Android devices.

To create backups of Android device data.

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.

None

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

plugdev

adbuser

root

sudo

None

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.

Enable developer mode again.

Restart the Android device.

Reinstall the ADB drivers.

None

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

adb connect-devices

adb show-devices

adb list-devices

adb devices

None

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

android-tools-adb

linux-tools-adb

android-studio-adb

ubuntu-adb-tools

None

10.

Which command is used to restart the ADB server?

adb start-server

adb restart

adb kill-server && adb start-server

adb reset-server

None

11.

What is the default port used by ADB for communication?

8080

5037

5000

5554

None

12.

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

To reset the Android device.

To update Android Studio.

To clear all ADB connections.

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

None

13.

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

It enables the device to be rooted.

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.

None

14.

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

Device Mirroring

Device Emulator

Device Simulation

Screen Capture

None

15.

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

Reinstall Android Studio.

Reboot the Android device.

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

Disconnect and reconnect the USB cable.

None

16.

What is required for wireless debugging on an Android device?

Rooting the Android device.

Enabling USB debugging only.

Enabling Wireless Debugging in Developer options.

Connecting the device to a LAN cable.

None

17.

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

Reinstall macOS.

Reset the Android device to factory settings.

Uninstall and reinstall Android Studio.

Log out and back into the macOS desktop.

None

18.

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

Installing the appropriate USB drivers.

Rebooting the Android device.

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

Executing the ‘android update adb’ command.

None

19.

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

Device Sync

Pair Devices Using WiFi

Enable AVD Pairing

Troubleshoot Device Connections

None

20.

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

Physical devices have a better display resolution.

Some Android features are only available on physical devices.

AVDs do not support debugging.

Physical devices are faster than AVDs in all cases.

None