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.
Do you have a background in IT?
I didn't have a background in IT, but I liked working with computers and did some classes in High School in regards to Computer Science.