How hard is the exam really?

Hey,

this is my first post ever, so please forgive me if I keep it short.

I wanted to ask if any of you could honestly describe the difficulty of the exam? Is Boson really harder, and if so how much more?

What did you have to do in the exam, could you give some modified example questions (without violating the NDA of course)?

I would be very happy if someone could share their, preferably recent, experience.

I'd really look forward to any helpful replies.