I can answer that one
We definitely included enough (and even a little *more*) to cover what's needed for those sections of the exam.
The questions on design patterns on the exam are almost *always* written as scenarios that say, "Here's what you need to do... (insert scenario). Which patterns will help you achieve this?"
They are pretty high-level. You need to know the purpose of the patterns more than anything else. But if you study the patterns stuff in the book, you will be fine for that part of the exam.
cheers,
Kathy