Simple questions, very calm and friendly.
They ask you to make and present a small presentation on a subject of your choice, then they ask you questions about your report style presentation.
The interview has two parts, the first interview is usually with your potential line manager and an associate director, in this interview you will be asked about market research and why you would be a good fit, etc, all the expected questions. The second interview is with an associate director and director, the second interview is where you present the presentation.