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CompTIA SecurityX CAS-005 · Domain 2: Security architecture

Resilient system design: high availability, redundancy, load balancing, geographic dispersion and graceful degradation

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Last reviewed September 25, 2026 · Leer en español

Availability is part of security, and senior architects design systems that keep working when parts fail. Resilience goes beyond having spare parts: it means removing single points of failure, failing in predictable ways, recovering automatically and proving all of this through testing.

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