Build confidence in a technical decision
Learn to distinguish a claim from a measurement, design a useful test, protect changes and demonstrate recovery.
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Start the learning path ↗Before you begin
No account is required. Examples are educational, not instructions to alter a production system. Completion stays in this browser and does not issue a qualification.
THE PATH TO UNDERSTANDING
018 MINUTES
02Turn a claim into a question
Separate an observation, an inference and an untested expectation.
8 MINUTES
03Measure the job, not the slogan
Identify a comparison that can answer your actual decision.
8 MINUTES
04Plan the return journey
Describe what would trigger rollback and how you would verify it.
8 MINUTES
Prove that the backup can work
Design a restore test that exercises the recovered application.