"Does the room have a telephone?"
Translation:La stanza ha un telefono?
I'm not an Italian native, but since Italian and Portuguese have similar syntax, certainly comparing to English, I'd say it can be correct, but you would never hear it, except in a line from a play or something. It's not even formal, but rather poetic. At least in the Present tense. Hope I'm not misguiding you.
In Italian, you generally don't invert the order of the sentence to form a question. See this exception: (http://italian.about.com/cs/grammar/ht/askquestions.htm) "In questions beginning with an interrogative word, the subject is usually placed at the end of the sentence. Quando guarda la TV Michele? - When does Michael watch TV?"
(from marziotta's Italian FAQ — http://www.duolingo.com/comment/233855)