What does Insight Dynamics use to allocate resources in the virtual machine host pool?

A.
user-defined weighting for processor, memory, disk I/O, and network I/O metrics

B.
metrics based on peak processor, memory, disk I/O, and network I/O workloads

C.
historical data for processor, memory, disk I/O, and network I/O utilization

D.
real-time data streams of processor, memory, disk I/O, and network I/O usage