ASQ Quality Inspector certification exam is not an easy one i say. It has so many layers and it requires many hours of practice. It is not possible just to practice on sample PDF questions for so many hours because they do not add any value. So my best choice was the ASQ CQI premium mock quizzes for online practice. It is a perfect resource. Firstly, it is online, saving paper and ink. Secondly, it is flexible - i could practice at my own convenience and thirdly, it saves money - i saved on conveyance and also spending on fraudulent sites that dupes candidates.