Phone Call: Basic fit questions like "walk me through your resume" "why S&P" "What do you know about our products" " Tell us an experience when you failed/succeed"
Assessment center: Writing test about "Why S&P and What are your assets for this job"
Computing test: check of your speed on taping on a computer
Finance question (MCQ): basic finance such as "what is a bond" "why use the P/E ratio" "what is a forward"...
Two interview: pretty much the same questions than during the two first rounds.