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.
All the questions they ask are pretty standard. The hardest part of the whole process is adjusting to the time between each part.
Waiting for class dates to fill up for example.