Discover how software as a service is all around us with Dropbox and others.
- It's hard to talk about infrastructure as a service and platform as a service without mentioning software as a service. Software as a service really doesn't have much to do with virtualization, but given its name, I feel kinda obligated to talk to you about it right now. In fact, software as a service predates virtualization. It's been around a while. The cornerstone about software as a service is that instead of having a CD that you buy at the store or whatever online and stick it in your computer and installing the software, you instead buy a subscription, and then this subscription allows you to download X number of copies and do whatever you wanna do with them.
So software as a service gets rid of optical media and things like that, first of all, which is kinda handy. Now, probably one of the more famous versions of software as a service and something I personally use is Microsoft's Office 365. When you write books for a living, you use a lot of Microsoft Word, and I'm always moving and changing computers and things like that, and I can never keep track of all my optical media. So for me, I just get a subscription. I pay, I think it's $99 a year. And I can install Office on up to five computers and five tablets.
And so for me it's really convenient. In fact, I can even share one of mine with a family member or something like that. So that's software as a service. Now, I need to be careful here, because the description I just gave you is what I'm thinking the CompTIA is going to use as software as a service, but I'm gonna challenge you with something. To me, there's a whole other way to look at software as a service. For example, applications like, oh, I dunno, Dropbox. With Dropbox, I can store stuff online.
It is a subscription. I have to subscribe to Dropbox. They don't just let anybody on there. But it has good controls and I can access my stuff anywhere. So it doesn't really download software onto my computer, but it provides an application, a service that I can use anywhere. So to me, things like Dropbox, jeez, Google Docs, Google Maps, all of these tools are, in my opinion, also examples of software as a service. So I can't really guarantee which way the CompTIA's gonna be looking at things, but make sure you understand both ways I've just described software as a service.
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- Implementing wireless security
- Threats to your wireless network
- Wi-Fi Protected Setup
- Installing a wireless network
- Cloud ownership and implementation
- Creating a virtual machine
- PaaS, SaaS, and IaaS
- Mobile networking
- Deploying mobile devices