What is the main cloud service model that provides on-demand virtualized computing resources over the internet (e.g. AWS EC2, Azure VMs)?
ADaaS (Data as a Service)
BSaaS (Software as a Service)
CPaaS (Platform as a Service)
DIaaS (Infrastructure as a Service)
Explanation
IaaS (Infrastructure as a Service) provides virtualized computing infrastructure over the internet on a pay-as-you-go basis. Providers supply virtual servers, storage, and networking hardware, allowing users to run operating systems and software applications (e.g., AWS EC2, Microsoft Azure VMs, Google Compute Engine).
Exam Relevance
- Topic: Computer Fundamentals, Networking & Cybersecurity
- Subtopic: Hardware, MS Office, Protocols, Operating Systems & AI
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