November 2023
Beginner to intermediate
446 pages
10h 56m
English
Content preview from CompTIA A+ Practice Tests Core 1 (220-1101) and Core 2 (220-1102)
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4
Virtualization and Cloud Computing
Introduction
A new trend in the IT industry has seen an increasing number of companies moving their data online, taking advantage of the more cost-effective cloud and its features. Cloud computing refers to the provisioning of resources without the need for capital expenditure, in which the Cloud Service Provider (CSP) provides all of the hardware and customer lease access. The CSP is also responsible for disaster recovery, so that the customer only pays for the resources that they use.
Virtualization has also become increasingly popular within companies due to the ability to recover a desktop or server in minutes. Prior to virtualization, if a server crashed, it could take the system administrator half a ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.