IT professionals build, design, and maintain the systems that handle storing, sending, and retrieving information. Employers are looking for individuals who are able to systematically solve the tough and unusual problems that arise in the field. Expect to be asked many hypothetical questions that will assess your thought process when dealing with complex problems.
If an upper executive of the company approached you to seek access to another employee's email mailbox, what would you do, would you report this? If so, to whom?
Assuming these are not my standard duties and this is not my direct supervisor, I would let them know I cannot do this unless directed to do so by Human Resources. I would report this incident to Human Resources.