They use the behavioral style questionnaire-situation, action, outcome. Know the company and products they sell. Have a 30/60/90 day plan. It helps if you know someone or are referred by an employee. There are a few managers who are arrogant, but some who are decent. You will get a phone interview 1st. If you make it through you will be interviewed by a senior rep or training manager, then by several division managers, then regional sales director and possibly the vp of sales.