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CCNA Cloud CLDADM 210-455 Official Cert Guide by Steve Wasko, Hank Preston, Chris Jackson

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Chapter 1. An Introduction to Cloud

You have to start somewhere, right? Defining the cloud is not as easy a task as it would appear at first glance. Depending on your point of view, that definition can vary widely. To many people the cloud is a managed service or application; to others it is a new spin on virtualization; and to some it is a brand new operational model for IT. Regardless of which camp you are in as it pertains to cloud, it is important to have a common vernacular to describe what your business is trying to accomplish with this whole cloud thing. This chapter is intended to provide a high-level overview of what a cloud is, the history of cloud, types of cloud services, and the role of software-defined networks (SDN) and applications ...

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