Which of the following cloud delivery models is typically used in environments where organizations delegate control of runtimes, middleware, and compute resources that focus mostly on applications?

Question

Options

• AIaaS
• BDBaaS
• CSaaS
• DPaaS

• A
  19% (8)
• B
  5% (2)
• C
  7% (3)
• D
  70% (30)

Explanation

PaaS (Platform as a Service) lets developers deploy and manage applications without worrying about the underlying infrastructure - the cloud provider handles runtimes, middleware, OS, and compute, while the organization retains control only over its applications and data. This matches exactly the scenario described: delegating control of runtimes, middleware, and compute while focusing on application development.

• A (IaaS) is wrong because Infrastructure as a Service gives organizations control over compute, storage, and networking - they still manage runtimes and middleware themselves (e.g., AWS EC2).
• B (DBaaS) is wrong because Database as a Service is a narrow, specialized offering focused solely on managed databases, not a general application platform.
• C (SaaS) is wrong because Software as a Service delegates everything - including the application itself - to the provider; organizations only consume the software, not deploy their own.

Memory tip: Think of the layers you own - IaaS = Infrastructure, PaaS = Platform (you own the app), SaaS = Software (you own nothing). If the question mentions "focus on applications" while delegating everything below, that's PaaS.

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