Remember your Wi-Fi, Bluetooth and mobile data training?

Image 1 – Before connecting to public Wi-Fi, you may be redirected to a captive portal to log in, accept terms or make a payment

Image 2 – Uses cellular technology to allow a device to connect to the internet and transfer data

Image 3 – With Android 11, this stays on in Airplane mode, so headphones can be used on flights

Image 4 – If another device won’t connect, ‘Unpair’ or ‘Forget device’ and try again


  • Businesses often offer Wi-Fi through a captive portal for their customers.
  • Android devices have tools to manage mobile data usage including a Data Saver to stop apps from using data in the background.
  • You can still listen to music through Bluetooth headphones with Airplane mode on. If you have a Bluetooth device not connecting, try selecting Unpair or Forget device as well as restarting the device.


This question is from the Android Mobile Test Out module of the Android Mobile Certification (Updated) course. You can find all the answers to this exam on our Android Mobile Certification (Updated) Answers page.

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