Which type of cloud computing service provides access to email and word processing applications running in a cloud infrastructure?

Question

Options

• Asoftware-as-a-service
• Bcomputing as a service
• Cplatform-as-a-service
• Dinfrastructure-as-a-service

• A
  95% (38)
• B
  3% (1)
• D
  3% (1)

Explanation

Software-as-a-Service (SaaS) is correct because it delivers ready-to-use applications - like email (Gmail, Outlook) and word processors (Google Docs, Microsoft 365) - hosted and managed entirely in the cloud, requiring no installation or infrastructure management by the user.

Option B ("computing as a service") is not a standard cloud service model - it's a fabricated distractor with no recognized definition in cloud taxonomy.

Option C (PaaS) provides a platform and tools for developers to build and deploy their own applications, not access pre-built ones like email clients.

Option D (IaaS) delivers raw infrastructure - virtual machines, storage, and networking - leaving the user responsible for installing and managing the operating system and software themselves.

Memory tip: Think of the "S" in SaaS as "Someone else's Software" - if you're just logging in and using an app without worrying about servers or code, it's SaaS.

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