Savvy job seekers have learned that it's important to show up at a job interview armed with smart, pithy questions. A few years ago, it was perfectly fine to ask, “Who are your company's competitors?” But these days, employers expect you to know the answer to that—and a dozen other company-specific questions.
The first thing to know about job-interview questions is that there is more than one kind. In my experience, job seekers' questions fall into one of three categories, and it's good to know the difference—and the protocol for each.
via Column: Ask the Right Question.

