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CRST practice questions - frequently asked questions

Plain answers about how CRST Exam Prep works: the exam, the questions, pricing, the free trial, and what you actually get.

No - and you should be wary of any site claiming otherwise. Every question here is original, written to mirror the style, difficulty, and judgment the real CRST exam tests. Each one comes with a plain-language explanation of why the right answer is right and the others aren't.

The CRST exam spans 10 domains: Mathematics (6% of the exam); Earth Science (6% of the exam); Engineering/Surveying (6% of the exam); Physics (6% of the exam); Professional/Ethical (6% of the exam); Remote Sensing (70% of the exam); Photogrammetry (0% of the exam); GIS/LIS (0% of the exam); Lidar (6% of the exam); UAS (6% of the exam). Every practice question on this site is tagged to one of these domains.

The domains are not weighted equally on the exam. By share of the marks: Remote Sensing 70%; Mathematics 6%; Earth Science 6%; Engineering/Surveying 6%; Physics 6%; Professional/Ethical 6%; Lidar 6%; UAS 6%; Photogrammetry 0%; GIS/LIS 0%.

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