T-Mobile Retail Sales Associate interview questions

made initial contact during career fair, got a call from a store manager, then we set interview date, the interview was in one at T-Mobile store. He asked about behavioral questions, last job, what have been doing since you were laid off, handling upset customer, he wants to how comfortable i am with technology in others words can you learn the in and outs of a smart phone fairly quick to be able to sell it, education and qualifications.