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  • Book Overview & Buying AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam
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AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

By : Ben Piper, David Clinton
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AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

By: Ben Piper, David Clinton

Overview of this book

AWS certifications validate the technical skills and knowledge required for building secure and reliable applications on the AWS cloud. The AWS Certified Cloud Practitioner certification is for individuals who have the knowledge and skills necessary to demonstrate an understanding of the AWS Cloud, independent of specific technical roles addressed by other AWS certifications. An AWS Certified Cloud Practitioner is a recommended path to achieving specialty certification or an optional start toward Associate certification. This guide provides a solid introduction and the resources you need to prove your knowledge in the exam. It covers all topics, beginning with what the AWS cloud and its basic global infrastructure and architectural principles. Other chapters dive into the technical, exploring core characteristics of deploying and operating in the AWS Cloud Platform, as well as basic security and compliance aspects and the shared security model. The text identifies sources of documentation or technical assistance, such as white papers or support tickets. The authors discuss the AWS Cloud value proposition and define billing, account management, and pricing models. This includes describing the key services AWS can provide and their common use cases such as compute, analytics, and so on. By the end of this book, you'll be thoroughly prepared for the foundational CLF-C01 exam.
Table of Contents (24 chapters)
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1
Cover
2
Acknowledgments
3
About the Authors
4
Table of Exercises
5
Introduction
6
Assessment Test
7
Answers to Assessment Test
20
Index
21
Advert
22
End User License Agreement

Server Virtualization: The Basics

The secret sauce that lets cloud providers give their customers on-demand compute resources in such a wide range of configurations is virtualization. When you request a virtual machine (VM) with a particular processor speed, memory capacity, and storage size, AWS doesn’t send some poor engineer running through the halls of its data center looking for an available machine with exactly that profile. Rather, as you can see illustrated in Figure 1.1, AWS carves the necessary resources from larger existing devices.

The flow diagram shows how virtual machines (VMs) access storage and compute resources from their host server. The diagram shows three different layers, where the very first layer (from top) of Virtual Machine is “Hypervisor (Virtual Machine Administration Software). The second layer depicts “Storage.” The third layer depicts “Compute.”

FIGURE 1.1 VMs accessing storage and compute resources from their host server

A 5 TB storage drive could, for instance, be divided into dozens of smaller virtual volumes, each associated with a different virtual server (or instance). And the resources of a single physical server could be invisibly shared between multiple instances. The operating systems installed on each of those instances could run, blissfully unaware that they’...

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AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam
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