单项选择题

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