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ISC2 Certified in Cybersecurity 2026 outline · Domain 4: Networking & cloud security concepts

Cloud characteristics (on-demand, elasticity, measured service) and service models (IaaS, PaaS, SaaS)

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Last reviewed September 25, 2026 · Leer en español

Cloud computing is a way of delivering computing resources as a service over a network instead of buying and running everything yourself. The widely used definition from the US National Institute of Standards and Technology (NIST) lists essential characteristics and service models, and the CC exam uses this vocabulary.

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