Answer 1:
No, CherryPy will only save the session data to persistent storage if something is written to the session data while preparing a response. If an unknown session ID is received, the application cannot identify the user and will signal that to the client, but it will not store anything in the session data.
Answer 2:
c, because a client that doesn't store cookies will never send a request containing the session ID, the server will generate a new one.
Answer 1:
Either leave out the text:false in the options object passed to the button() function or explicitly show it with text:true.
Answer 2:
The <div> element that encloses the <form> element might be wider and an unsuitable background color may show up where the form isn't covering the full width.