Keep the Bloom's Taxonomy level in mind when you are filling those holes because that will tell you what to focus on.
Also, the entire library of references used to develop the exam is fair game for sources of exam questions. You are expected to know whatever aspects of the BOK that could be extracted from any of these resources. https://asq.org/cert/quality-engineer/references
It is my understanding that the CQE is a very difficult exam, Best of luck!
Amanda Foster, ASQ CQA
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