Which action should be taken to improve VDI performance?

An administrator receive report that VDI desktop performance in an 8-node Nutanix VDI environment is poor. Opening applications takes between 1 and 2 minutes.

When investigating the issue, the following conditions are found:

• Cluster memory utilization: 80%

• Cluster SSD utilization: 70%

• Average VM CPU wait time: 11 %

• CVM CPU utilization: 75%

Which action should be taken to improve VDI performance?
A . Increase the amount of SSD storage in the cluster
B . Ad memory to the nodes in the cluster
C . Increase the number of vCPU cores allocated to the CVM
D . Add CPU resources to the cluster