单项选择题

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