This is one of the most straight-forward questions on the list. The interviewer is likely looking for similarities in your past jobs to the one you're applying for. Sandwiched inside this question might also be another one: "Why did you leave these jobs?"

Answer by running down the basics of your employment history as they apply to the job your interviewing for. Bring up any skills you learned at each of your jobs that directly reflect the bullet points in the original job posting you responded to.