Official source
These 12 items come from section 9 of the Claude Certified Architect – Foundations Exam Guide v1.0 and are reproduced verbatim, including their answer options and rationales.
They are not the item bank. The real exam has 60 items; the full bank is confidential and exists nowhere outside the exam. Scoring well here does not predict passing.
Want more practice? See the domain quizzes or the practice exam.