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 kill-server && adb start-server

adb start-server

adb start

adb restart-server

None

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

To reset the Android device.

To clear all ADB connections.

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

To update Android Studio.

None

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

Log out and back into the macOS desktop.

Uninstall and reinstall Android Studio.

Reset the Android device to factory settings.

Reinstall macOS.

None

What is the default port used by ADB for communication?

5554

5037

8080

5000

None

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

adb list-devices

adb connect-devices

adb devices

adb show-devices

None

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

root

adbuser

sudo

plugdev

None

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

Reinstall the ADB drivers.

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

Restart the Android device.

Enable developer mode again.

None

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

AVDs do not support debugging.

Some Android features are only available on physical devices.

Physical devices have a better display resolution.

Physical devices are faster than AVDs in all cases.

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

10.

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

The development system must use Linux.

The device must be rooted.

The device must have USB debugging enabled.

The device must be in recovery mode.

None

11.

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

To access the device’s bootloader.

To allow wireless debugging.

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

To enable faster app deployment.

None

12.

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

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.

To create backups of Android device data.

None

13.

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

Screen Capture

Device Emulator

Device Mirroring

Device Simulation

None

14.

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.

Reinstall Android Studio.

Reboot the Android device.

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

None

15.

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

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

Rebooting the Android device.

Installing the appropriate USB drivers.

Executing the ‘android update adb’ command.

None

16.

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

android-studio-adb

linux-tools-adb

ubuntu-adb-tools

android-tools-adb

None

17.

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

18.

What is required for wireless debugging on an Android device?

Connecting the device to a LAN cable.

Rooting the Android device.

Enabling USB debugging only.

Enabling Wireless Debugging in Developer options.

None

19.

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

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

It enables the device to be rooted.

It allows the development system to access device data.

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

None

20.

Which command is used to restart the ADB server?

adb start-server

adb reset-server

adb restart

adb kill-server && adb start-server

None