I had two supervisors interview me at once. They took turns asking questions that are company provided and then questions they had of their own. They presented themselves and Comcast very well and definitely got me thinking they are two people and a company I would love to work for. They gave me so much input about the job in detail that they answered all the questions I was planning to ask. I ended up having to come up with some on a dime, so they didn't think I lacked interest. One of the interviewers was hard to read, he kept a straight face the entire time and didn't give the slightest impression that he liked or disliked any question I answered. The other one would nod and he seemed to do it often, on the way out he said I did a good job.
One suggestion, don't beef up your resume. They are very thorough and ask detailed question pertaining to your work history.