A.Cluster Shared Volumes （CSV）
B.a dynamically expanding VHD
C.SQL Server Resource Governor on the Hyper-V hosts
D.Failover Clustering on the VMs
E.a differencing VHD
F.Network Load Balancing （NLB） on the Hyper-V hosts
G.Windows System Resource Manager （WSRM）
H.network adapter teaming
I.Performance and Resource Optimization （PRO）
J.a pass-through disk
K.Multipath I/O
L.Network Load Balancing （NLB） on the VMs
M.round robin DNS

A.Back up the VMs by using Windows Server Backup within the VMs
B.Create checkpoints of the VMs by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2
C.Back up the system state on the VMs by using Windows Server Backup within the VMs
D.Back up the Hyper-V server by using Microsoft System Center Data Protection Manager （DPM） 2007 with SP1