5 Complete tests. There is a free trial providing 5 questions.
Where can I find sample questions for the Core Spring certification? Post some links here!
Where are some experiences from someone who has taken the exam? Dan Fernandez explains in great detail his preparation process for 2.5 test as a grandfathered candidate (without having taken the course.)
How much is the cost for the exam? In May 2017, Pivotal no longer requires taking a class to take the certification. The exam costs $200.