1. What were the last two trade/professional journals or books you've read relevant to your work? (Or the last two industry conferences, learning programmes or seminars). Most candidates fail right here. They don't bother learning. They're too busy chasing money.
2. Name two of the key people in the business development field. Two people who have made some serious contribution to modern day B2B business development. Here most people name some sales gurus who had their heydays in the 50s, 60s or 70s, selling commodities, but ignore how much the world of selling has changed during recent years.
3. What materials have you purchased recently with your own money which has improved the quality of your work and advanced you as a professional? This is a great filter. Most people would never spend their own money to advance their own careers. They wait for their employers to pay for it. Or they are too busy doing what they learnt years ago.