For optimum performance, ESX Server hosts use the _____________ approach (implemented by the vmmemctl driver) whenever possible.

A.
reclaiming

B.
swapping

C.
ballooning

D.
memory

Explanation:

For optimum performance, ESX Server hosts use the ballooning approach (implemented by the vmmemctl driver) whenever possible. Swapping is a reliable mechanism of last resort that a host uses only when necessary to reclaim memory.