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Glossary term

Stranded commitment

A commitment that no longer matches any running usage, for example after a workload moves to a different instance family or region. It keeps billing until it is exchanged, sold where allowed, or expires. Why it matters: It is a cost with no benefit, and it is easy to miss.

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Where it appears

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Each row is a lesson that uses this term. The lesson where it first appears is the canonical definition.

Start with the bill.

Foundations takes about five hours. The first lesson is nine minutes.

Free curriculum. No paywall. 290 lessons across 7 courses, plus an optional 24-lesson beginner course. Browse every course without an account; a free account opens the lessons, saves your progress and opens the exams for three publicly verifiable credentials. Read it on the train, take the exam on a Saturday, list the credential on your résumé Monday.

5h median time to finish Foundations
free account, every course, no paywall
3 certifications, each with a public verifier
Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 20–60% off the bill, first month· 4 platforms · 1 console· Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 20–60% off the bill, first month· 4 platforms · 1 console·