In which type of cloud computing service does an organization own and control application data, but not the application?

Question

Options

• Aplatform as a service
• Bnetworking as a service
• Cinfrastructure as a service
• Dsoftware as a service

• A
  2% (1)
• B
  2% (1)
• C
  4% (2)
• D
  92% (49)

Explanation

Software as a Service (SaaS) fits because the cloud provider owns, hosts, and manages the application entirely - the customer simply uses it and retains ownership of the data they put into it (think Gmail or Salesforce: you don't control the software, but your emails and records are yours).

PaaS (A) is wrong because the customer does control the application - PaaS gives developers a platform to build and deploy their own apps, so they own both the app and the data.

NaaS (B) is wrong because "Networking as a Service" isn't one of the three standard cloud service models and deals with network connectivity, not application or data ownership.

IaaS (C) is wrong because it gives the most customer control - organizations manage the OS, middleware, runtime, applications, and data, with the provider only handling physical infrastructure.

Memory tip: Think of the acronyms in order of decreasing customer control - IaaS → PaaS → SaaS - as you move from left to right, you hand over more control to the provider; SaaS is the furthest right, so you control the least (just your data).

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