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Work two real cases, right here
Here are two First Look cases, one from each discipline, rendered in the browser. Read the evidence, answer the questions, and check yourself. Then press Generate another student’s variant and watch the hostnames, users, times, serials, hashes and every answer change. That’s what each student in a class gets.
Variant · student
Same case, this student’s evidence. Every value below is derived from the seed, and so is every answer.
This online sample lets you reveal the answers so you can check yourself. In a real lab the key is verified against the planted evidence before anything ships, grading happens on the instructor’s machine, and nothing is revealed in the browser. Since every variant differs, a copied answer is the wrong answer.