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 less than 25 percent.
B.
Memory cannot be reclaimed quickly enough.
C.
The virtual machine is starting up.
D.
VMware Tools is not installed.
E.
50 percent of the configured memory has already been ballooned.
Same as Question 838, correct answer is A, B & D
Explanation:
C: Wrong: When the machine is starting up the Ballooning driver hasn’t loaded yet.
D: Wrong: When VMware tools is not installed Ballooning isn’t possible
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A B and E not D.
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Same as questions:
http://www.aiotestking.com/vmware/2012/08/assuming-that-ballooning-is-possible-under-which-three-circumstances-might-the-vmkernel-use-a-swap-file-for-a-running-virtual-machine/
http://www.aiotestking.com/vmware/2012/02/which-three-circumstances-might-the-vmkernel-use-a-swap-file-for-a-running-virtual-machine/
Right aswers: A,B and E
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Fixed
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D is WRONG! Ballooing CAN take more than 50% (it can reclaim more than 90%). Correct answers A,B and D
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http://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-B55F4F6B-44E6-46DE-B8FF-75950020A181.html
Using Swap Files
You can specify the location of your swap file, reserve swap space when memory is overcommitted, and delete a swap file.
ESXi hosts use swapping to forcibly reclaim memory from a virtual machine when the vmmemctl driver is not available or is not responsive.
It was never installed.
It is explicitly disabled.
It is not running (for example, while the guest operating system is booting).
It is temporarily unable to reclaim memory quickly enough to satisfy current system demands.
It is functioning properly, but maximum balloon size is reached.
Standard demand-paging techniques swap pages back in when the virtual machine needs them.
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This question shows “NEW” flag.
Something updated ? and why ?
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IMHO: BCD and sentence “Assuming that ballooning is possible” means only that it is not disabled, I think.
http://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-B55F4F6B-44E6-46DE-B8FF-75950020A181.html
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