Can you explain the key components of the AWS global infrastructure?

In today's digital era, businesses worldwide are leveraging cloud computing to revolutionize their operations, and Amazon Web Services (AWS) stands at the forefront of this technological evolution. With its robust global infrastructure, AWS offers unparalleled scalability, reliability, and performance to organizations of all sizes. Whether you're a seasoned IT professional or a newcomer to the cloud, understanding the key components of the AWS global infrastructure is essential. Let's delve into the foundations that power AWS and explore how they benefit businesses in Germany, along with the avenues for acquiring expertise through AWS training and certification courses.