I am very happy with the setup from last year so I have decided to stick with that setup this year as well. 
It's asking whether your backup method has been tried and tested, how many times, etc.What the heck do they mean with "Integrity of recovery plan",
It's asking whether your backup method has been tried and tested, how many times, etc.
Correct. You could choose the last option "I have extensively tested ... "so if I tested AOMEI already? If so then yes
Correct. You could choose the last option "I have extensively tested ... "
Completely unrelated to Windows 11 or any other OS.And a question... What the heck do they mean with "Integrity of recovery plan", Is that a new thing in Windows 11 Home and other versions?