which three circumstances might the VMkernel use a swap file for a running virtual machine?

Assuming that ballooning is possible, under which three circumstances might the VMkernel
use a swap file for a running virtual machine? (Choose three.)

Assuming that ballooning is possible, under which three circumstances might the VMkernel
use a swap file for a running virtual machine? (Choose three.)

A.
The Mem.CtlMaxPercent value is between 10 and 25 percent.

B.
Memory cannot be reclaimed quickly enough.

C.
The virtual machine is starting up.

D.
VMware Tools is not installed.

E.
50% of the configured memory has already been ballooned.

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Instructor

Instructor

We have to assume ballooning is possible, so options C & D are already excluded, wich are among others the 2 use cases of going straight for paging instread of ballooning performed in the guest using the memCTLdriver inside.

A third case would be a VM where during the VMwaretools setup the memCTLdriver has been disabled/unselected

B is mentionned in the Lecture Manual of the ICM course track
Of course if lots have already been ballooned or the ballooing Max % is rather low, there is not much mor to gain does it.
So A & E are quite possible

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