What is the difference between IaaS, PaaS, and SaaS in cloud computing?
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A
They are three different cloud pricing models
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B
IaaS provides infrastructure (compute/storage/network), PaaS provides a development platform, SaaS provides ready-to-use applications — each at a higher level of abstraction
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C
IaaS is for private clouds, PaaS for hybrid, SaaS for public clouds
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D
They refer to network, compute, and storage layers respectively