Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Any device that is truely “off” cannot respond until it is “on”. If it can respond, then it is either “on” or in a low power mode (but still “on”).

1c1dll.jpg
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.