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Question

Difficulty: EasySoftware as a Service (SaaS)

A company decides to migrate its on-premises email and collaboration tools to a cloud-based service where the cloud provider manages all infrastructure, virtualization, operating systems, and the application itself. The company's employees will access their mailboxes through web browsers. Which cloud service model is the company adopting?

  1. Software as a Service (SaaS)Answer
  2. B
    Platform as a Service (PaaS)
  3. C
    Infrastructure as a Service (IaaS)
  4. D
    Hybrid Cloud

Answer

Software as a Service (SaaS)
The correct service model is Software as a Service (SaaS). In this model, the cloud provider hosts and manages the software application, its underlying infrastructure, and any maintenance such as software upgrades and security patching. Users connect to and use the application over the internet, which matches the scenario of accessing email through a web browser.

Step-by-Step Solution

1
Examine the cloud management responsibilities outlined in the scenario.
The cloud provider manages all layers of the stack, including infrastructure, operating systems, and the actual application, while the customer only uses the software.
Determining who manages the application and underlying infrastructure determines the correct cloud service model.
2
Map the management model to the correct definition of cloud service models.
A model where the provider delivers a fully functional, hosted application that users access directly over the internet is defined as Software as a Service (SaaS).
This matches the definition and responsibilities of the SaaS model.

Key Concept

Software as a Service (SaaS)
Estimated Time:45s
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Topics

Software as a Service (SaaS)

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