You can use Siri on your iPad to give commands and ask questions, as long as it's enabled. You can turn it on and customize it in the Settings app.

A malfunctioning or unusable power button might be inconvenient, but luckily, Apple also allows you to power off your iPad ...

If you want to get the iPad home button on your iPad screen for any reason, you can turn it on via the iPad settings. You may want to add this home button on the iPad screen if you want more options ...