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Understanding of Cloud Computing and AWS | AWS Fundamentals
AWS Solutions Architect Associate
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AWS Solutions Architect Associate

AWS Solutions Architect Associate

1. AWS Fundamentals
2. Compute

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Understanding of Cloud Computing and AWS

Imagine it as accessing the tools you need from a virtual toolbox, available whenever you need them. Key features of cloud computing include instant availability of resources, the ability to adjust capacity to match demand (scalability), and a cost-efficient "pay-as-you-go" model where you only pay for what you use.

Cloud Service Models Demystified

When working with cloud computing, it’s important to understand the service models it offers, as these define how resources are provided.

  • Infrastructure as a Service (IaaS) acts as a virtual foundation, offering raw computing power like CPUs, storage, and memory. For example, think of Amazon EC2, which gives you the building blocks to run your software;

  • Platform as a Service (PaaS) provides a complete environment for developers, including tools and frameworks needed to build and deploy applications. AWS Elastic Beanstalk is a great example, as it simplifies the process of creating and managing applications;

  • Software as a Service (SaaS) focuses on delivering ready-to-use software over the internet, typically on a subscription basis. Tools like AWS QuickSight let users analyze data directly in their browsers without worrying about installation or maintenance.

Other specialized service models include Function as a Service (FaaS), which supports serverless computing (like AWS Lambda), and Database as a Service (DBaaS), which simplifies database management (like AWS RDS). These are tailored solutions for specific needs and will be explored in-depth elsewhere.

Why Cloud Computing Matters

Cloud computing simplifies how we use technology. In the past, setting up a software project required buying and managing physical hardware, which came with challenges like failures, replacements, and power issues.

With the cloud, all these problems are handled for you. This reduces costs, saves time, and removes the need for a physical infrastructure. Businesses can expand globally without limits, while developers can quickly create and scale applications to meet demand.

Cloud providers like AWS also improve security and compliance by offering built-in protections. Using the cloud is environmentally friendly, as it optimizes resource use and reduces energy consumption. Additionally, it ensures business continuity through reliable backup and disaster recovery solutions, making systems more resilient.

1. Which of the following is a key characteristic of cloud computing?
2. Which cloud service model provides a platform for developers to build and deploy applications?
Which of the following is a key characteristic of cloud computing?

Which of the following is a key characteristic of cloud computing?

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Which cloud service model provides a platform for developers to build and deploy applications?

Which cloud service model provides a platform for developers to build and deploy applications?

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