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ALL IN ONE CompTIA A+ Certification: Exam Guide (Exams 220-801 & 220-802), Eight Edition by Meyers Michael

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CHAPTER 30Virtualization

In this chapter, you will learn how to

• Describe the concepts of virtualization

• Explain why PC and network administrators have widely adopted virtualization

• Describe how virtualization manifests in modern networks

Virtualization takes your everyday notion of computing and turns it on its head. Left becomes right. Red becomes blue. Physical computers become virtual computers. It might sound complicated—properly configuring a real computer is hard enough—but once you see it in action, it makes perfect sense. In the simplest terms, virtualization is the process of using special software—a class of programs called hypervisors or virtual machine managers—to create a complete environment in which a guest operating system ...

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