Cloud Service Model with Maximum Control
A company wants to move one of its environments to the cloud. The biggest requirement is to have as much control as possible regarding the environment. Which of the following would most likely satisfy this requirement?
Community Votes
100% of anonymous learners picked answer B. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
The question tests the distinction between cloud service models based on the shared responsibility model, specifically focusing on where the customer retains control versus where the provider manages the stack.
This page analyzes cloud service models to determine which provides the highest level of control over an environment. It establishes that Infrastructure as a Service (IaaS) is the correct choice for maximizing administrative control.
Choosing PaaS or SaaS is a common error; learners often overlook that higher levels of abstraction mean less control over the underlying OS and infrastructure components.
Community Discussion (4 comments)
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Expert Analysis
Why the Answer Is Correct
Infrastructure as a Service (IaaS) provides virtualized computing resources over the internet, allowing users to maintain the most control among the standard cloud models. In the IaaS model, the cloud provider manages the physical hardware, but the customer retains full administrative control over the operating system, middleware, runtime, data, and installed applications. This granular control satisfies the requirement for maximum environmental management.Why the Other Options Are Wrong
Platform as a Service (PaaS) abstracts the underlying infrastructure, meaning the provider manages the OS and runtime, leaving the user to manage only the application and data. Software as a Service (SaaS) offers the least control, as the provider manages everything from the infrastructure up to the application layer, accessible only via web browser. MaaS (Managed Services) refers to outsourcing IT operations rather than a specific compute resource model, offering less direct technical control than self-managed IaaS.Community Comment Notes
The community consensus strongly supports IaaS. Commenters note that IaaS provides "the highest level of control" because it allows customization of the OS and configurations. One commenter emphasized that while the provider manages hardware, the company controls VMs, storage, and networking, contrasting this with the limited flexibility of SaaS.Exam Strategy
When evaluating cloud service models, always look at the 'Shared Responsibility Model'. If the question asks for maximum control or customization, choose the lowest service tier (IaaS). If it asks for ease of use or management offloading, choose the highest tier (SaaS).
Frequently Asked Questions
Why not PaaS if I need control?
PaaS abstracts the OS and runtime, so you cannot customize the underlying infrastructure or install arbitrary software outside the provided platform.
Does IaaS require managing physical servers?
No, the provider manages the physical hardware, but you have root/administrator access to the virtual machines and their configurations.