What statement provides the best response?

A manager wants to know why traditional usage metering tools are less effective in a private
cloud environment than they are in physical environments.What statement provides the best
response?

A.
Traditional monitoring tools won’t work in a cloud environment.

B.
Traditional metering tools require agents to be installed, which don’t work in virtual
machines.

C.
Resource usage is based on the overall demand of all virtual machines instead of per
server.

D.
This is not true, traditional usage metering tools are still the best choice.