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Practice decks I've built for myself while studying — chapter-by-chapter practice, mixed review, and timed exam mode. Content lives in versioned JSON, not a database; stats stay in your browser.
Practice and exam-mode review for the AWS Certified Solutions Architect Associate exam, built while working through the Sybex study guide chapter by chapter. Shuffled options, per-question stats, timed exams with a full missed-question report.
Practice and exam-mode review for TOGAF 9, covering the Part 1 practice/bonus tests and the Foundation Test Yourself questions chapter by chapter. Same shuffled-option, per-question-stats, timed-exam engine as the AWS deck.