EXIN CDCS study guide
EXIN CDCS · Work through your exam, one topic at a time.
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01EXIN CDCS: Data Centre Design, Standards, and Operations
EXIN CDCS (Certified Data Centre Specialist) tests whether you can apply data-centre standards, redundancy logic, and operational controls to realistic facility decisions. Questions typically ask you to classify a design, interpret a power or cooling topology, or choose the correct operational artefact. ANSI/TIA-942-B uses Tier I–IV (basic, redundant, concurrently maintainable, fault tolerant). EN 50600 uses availability classes 1–4; ISO/IEC 22237 is the international series.
472 words, about 2 minMore study resources for EXIN CDCS
- Practice questionsIn a data centre, which term describes the maximum acceptable length of time a business process may be unavailable after a disruption before its impact becomes unacceptable?
- FlashcardsAvailability formula. Availability = MTBF / (MTBF + MTTR).
- Cheat sheetAvailability tiers (Uptime Institute): Tier I = single path, no redundant components, ~99.671% availability; Tier II = redundant components (N+1), ~99.741%; Tier III = concurrently maintainable, dual paths but only one active, ~99.982%; Tier IV = fault tolerant, two active paths, ~99.995%.
- Key termsData center. A purpose-built facility housing IT equipment with controlled power, cooling, connectivity, and physical security, operated to keep systems available and reliable.
- Study planMap the full EXIN CDCS exam blueprint into a one-page topic checklist with weights per area.
- Common mistakesCandidates often assume the certification mirrors vendor cloud exams, so they over-invest in generic technical depth and under-invest in the exam's process- and lifecycle-oriented framing.
- Exam-day guideEXIN exams are commonly delivered online with remote proctoring or at a test centre, and availability can differ by country.