Terms You Need to Know in Virtualization

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Course overview
1 HOUR OF TRAINING
1 SKILL
12 VIDEOS
0 VIRTUAL LABS
0 PRACTICE EXAMS
Garth Schulte
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Intro to Virtualization FAQs: Cost, Training, Value

What is virtualization in simple words?

In computing, "virtual" refers to something that does not physically exist, but is made by software to appear to do so. It's possible to have one computer pretend to be several different computers in a digital, non-physical space. Each "virtual" computer can run its own programs (and from its perspective, it's running them in a real-world computer), but they all share the resources (memory and processor) of the actual physical computer.

What is an example of virtualization?

Imagine you have a very powerful computer. You can, through software, split it off into a number of virtual computers that operate completely normally. Maybe three of them run three different versions of Windows and one runs a version of Linux, and all four get used for testing software. Physically speaking, there's only one computer. But each of those computers functions like a real computer and uses the resources it's allocated.

What is the use of virtualization?

Virtualization optimizes resources and increases flexibility for businesses. It's possible to virtualize multiple different computers, operating systems and applications from one server, which saves space and energy. Virtualization allows software testing that doesn't affect a critical system. IT management is much simpler with virtualized systems, and a network of virtual machines can be scaled up and down very quickly according to need. Virtualization maximizes the available hardware and minimizes overhead.

Is network virtualization the same thing as virtualization?

Network virtualization and virtualization are based on the same principles, and network virtualization is a subset of the techniques and technology that focuses on creating virtual versions of network connections. With network virtualization, it's possible to virtualize components like switches, routers, and firewalls. With network virtualization, it's possible to create multiple virtual networks on top of a physical network infrastructure. Virtualized networks can be more flexible, scalable and even more secure.

Who should take this intro to virtualization course?

The terminology and concepts about virtualization on this course are beneficial to professionals in many different fields, and especially IT. IT administrators and help desk professionals will almost certainly encounter virtualized software throughout their careers. Systems architects can design virtualized machine workflows. Network engineers can develop layered networks with virtualization. Professionals in cloud computing, cybersecurity and data management should also learn the fundamentals of virtualization, as it will come up throughout their careers.
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