The smorgasbord of classes can feed any willing end user with information about security, Windows Server, Office Products, Virtualization, Terminal Services and many more. The Rubrics that Microsoft uses, gives skill level needed for the end user. This is also covered in the Content and Prerequisites in the description of each course. Each course has objectives to measure where you should be at the end of the course.
In the Introduction to Hyper-V in Windows Server 2008 Clinic 5935, Microsoft gives the end user an estimate time for completion of two hours. This self-paced course has a 90 day expiration. (The Security Guidance courses give a one year expiration.) This course explains the features of Hyper-V, Server consolidation, the implementation, and creation of virtual machines, data centers and clustering in a virtual environment. Student prerequisites for this course is >3 years of experiencing in planning, implementing and supporting Microsoft Servers.