In the first virtualization video, Mike explores the concepts behind virtual machines. He discusses virtualization vs. emulation, how modern VMs work, and the differences between Type 1 and Type 2 hypervisors (the different hosts for virtual machines).
that have rocked the IT world more than virtualization. … In this episode, I want to kind of get you through … the concept of virtualization … and show you how powerful and how amazing of a tool it is. … So let's get started by taking a look at my screen. … Hey, look! … I'm on Linux right now. … What you're looking at right here is a virtual machine. … Inside this computer, and it is actually a virtual computer, … as far as it's considered, it's on CPU, it's on RAM, … it's on hardware, it's on USB ports, it's on optical media, … it's on microphone and sound card, if you want, … all of these is built into this little device, … which is being hosted on top of Windows. … This is not a remote access. … This is physically all right here on this computer. … This, my friends, is a virtual machine. … A virtual machine is a completely self-contained computer … that is running within a host operating system, … well, at least in this case. … When we're talking about virtualization, … now first of all, I want to make sure we're very comfortable …
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CompTIA A+ (220-1001): Cert Prep is a comprehensive 10-part series designed to help IT professionals prepare for the CompTIA A+ Core 1 (220-1001) exam, which focuses on critical IT support tasks and essential troubleshooting skills. In this installment, CompTIA expert Mike Meyers reviews internet fundamentals—from broadband connections to VPNs—and essential virtualization concepts that you need to grasp to ace the test. Mike explains the differences between LANs, WANs, MANs, and PANs, and analyzes the functions of local and server-based firewalls. He explores classic email protocols, goes over a generic VPN setup, and shows how to set up IoT devices. In addition, he explains how to set up a virtual machine and dives into the basics of cloud computing.
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- Internet tiers
- How dial-up and broadband connections work
- File Transfer Protocol (FTP)
- Classic email protocols
- Setting up a generic VPN
- Typical IoT setups and configurations
- Setting up a new virtual machine (VM)
- Networking with VMs
- Cloud ownership