Which of the following formulas defines the amount of virtual machine memory that will always be composed of disk pages?
A.
memory limit-(minus) memory reservation
B.
memory limit-(minus) memory available
C.
memory allocated-(minus) memory available
D.
memory allocated- (minus) memory limit
I’m not sure I agree with this one.. the vmware documentation clearly states that a VM will never get more memory than what is defined as the memory limit.
Option D states: memory allocated- (minus) memory limit
if the memory allocated is always less than the memory limit since it cannot be higher, the resulting number is always negative.
I think it’s option C, it states: memory allocated-(minus) memory available
which means that the memory allocated to the VM minus the memory available to be used by the vm would result in the amount of virtual, aka paged to disk information, which is the number the question is looking for.
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Don:
The memory limit CAN be less than the memory allocated which in this case would always result in paging. This actually occurs in my environment frequently. VM admins would set limits on VMs which at first would be higher than the allocated memory. At a later date someone would request a memory increase, the VM admin would then allocate more memory to the OS (hoping to increase performance). The allocation now will be higher than the limit (by accident) and would cause worse performance on the VM.
“2GB” of Memory allocated – (minus) “1GB” memory limit = 1GB of (disk) paging
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I agree with “Don”
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Don is right, the answer is C
Explanation:
A virtual machine will always be granted physical memory if available, up to the memory limit. If a limit is in place, any memory over the limit will always be composed of disk pages.
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Ignore my previous comment. The explanation is correct and points to choice D.
Explanation:
A virtual machine will always be granted physical memory if available, up to the memory limit. If a limit is in place, any memory over the limit will always be composed of disk pages.
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