Microsoft has released a Test Lab Guide that provides step-by-step instructions for creating a lab environment running Windows Server 2012 R2 Hyper-V with System Center 2012 R2 Virtual Machine Manager.
You can download it here: Test Lab Guide: Windows Server 2012 R2 Hyper-V Network Virtualization with System Center 2012 R2 VMM
Microsoft has done a great job inventing and releasing the Test Lab Guides as part of an overall strategy to get customers acclimated with and educated on their products. You can find many more of them by utilizing the following link:
In Truth in IT: The Cloud is IT's Kobayashi Maru Moment, I outlined a few good resources to help get you up to speed on technologies for the new IT generation, but the Test Lab Guides are also a great resource that Microsoft provides.