Scenario: The architect for the company has identified that virtualizing the entire server infrastructure will provide t

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Scenario: The architect for the company has identified that virtualizing the entire server infrastructure will provide the best return on investment (ROI) and lowest maintenance costs for the new infrastructure. In order to proceed with this recommendation, a monitoring strategy must be put in place to ensure that the virtualization platform does NOT become overloaded.
How can the architect identify if the XenServer hosts are the source of a bottleneck?

A. Identify of the CPU consumption is above 85%
B. Identify if memory consumption is above 90%
C. Identify if disk queue length increases above zero
D. Identify if network utilization rises above 50%