This video blog runs about 5minutes and focuses on the creation of a virtual network in Hyper-V through the Manage Virtual Networks panel. Among the settings covered include building various types of virtual networks on the Hyper-V hosts and the configurations settings exposed.
This content is roughly level 100.
http://tfc.wanderson.org/Creating_a_Virtual_Network_in_HyperV/Creating_a_Virtual_Network_in_HyperV.htm
Falconic note: Community Server, the software upon which this blog is hosted, currently is configured to remove embedded media from blog posts. You will need to click the link above to view the video blog.