If your powersupply has the standard 24 pin connector, you can make it switch on by connecting a green and a black (find a good picture to see the pin numbers). Google for the "paperclip test" for details.
That would be a star network. A star network isn't necessarily shaped like a star, of course, but like you mention this topology has a central device, usually a server of some sorts, and then many different endpoints coming out of that central device, such as the client computers for the server.
There are no answer choices listed so I don't have anything to choose from so i'm just going to go with what I know/think. Just from reading the question I think it may be the "notepad." If it is not the notepad then it may be the clipboard.
Sorry if this doesn't help you very much, but there were no answer choices.
A bootstrapping process, also known as booting
