Recall & Review
beginner
What does IaaS stand for and what does it provide?
IaaS stands for Infrastructure as a Service. It provides virtualized computing resources over the internet, like servers, storage, and networks, so you can build and manage your own IT infrastructure without buying physical hardware.
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beginner
Explain PaaS in simple terms.
PaaS means Platform as a Service. It gives you a ready-to-use platform with tools and services to develop, run, and manage applications without worrying about the underlying hardware or software setup.
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beginner
What is SaaS and how do users interact with it?
SaaS stands for Software as a Service. It delivers software applications over the internet that users can access through a web browser, without installing or managing the software themselves.
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intermediate
Give a real-life example of IaaS.
An example of IaaS is Amazon EC2, where you rent virtual servers to run your applications, similar to renting a workspace where you bring your own tools and furniture.
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intermediate
How does PaaS simplify application development?
PaaS provides ready-made tools and environments, like databases and development frameworks, so developers can focus on writing code instead of managing servers or software installations.
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Which cloud service model provides virtual machines and storage but requires you to manage the operating system?
✗ Incorrect
IaaS offers virtual machines and storage, but you manage the OS and applications.
Which model lets you use software through a web browser without installing it?
✗ Incorrect
SaaS delivers software applications accessible via web browsers.
Which cloud service model provides a development environment with tools and frameworks?
✗ Incorrect
PaaS offers platforms with tools to build and deploy applications.
Amazon EC2 is an example of which cloud service model?
✗ Incorrect
Amazon EC2 provides virtual servers, which is IaaS.
Which cloud model requires the least management effort from the user?
✗ Incorrect
SaaS users just use the software; the provider manages everything else.
Describe the main differences between IaaS, PaaS, and SaaS using a simple analogy.
Think about how much you manage yourself versus what is provided.
You got /3 concepts.
Explain how cloud service models help businesses save time and money.
Consider what tasks are handled by the cloud provider.
You got /4 concepts.