Which features were added to the Hyper V role in Windows Server 2008 R2 (Select two)

A.
Failover clustering
B.
Support for up to 192 running virtual machines
C.
Second-Level Address Translation
D.
Virtual machine snapshots
E.
Support for 24 logical processors
Explanation:
Reference: http://www.virtualizationadmin.com/articles-tutorials/microsoft-hyper-varticles/general/what-newwindows-server-2008-r2-hyper-v.html (see second level address
translation and virtual machine snapshot operation)
http://en.wikipedia.org/wiki/Hyper-V