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Glossary term

Rule category

A rule category is the label that groups recommendation rules by the kind of action they call for. ZopNight's 684 rules fall into 11 categories: idle, rightsizing, orphan, schedule, discount, performance, compliance, reliability, security, governance and advisory. Why it matters: Filtering by category lets each team work the findings it owns, such as security or cost.

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

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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·