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Exam 2V0-621 All Questions

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Exam 2V0-621 topic 1 question 93 discussion

Actual exam question from VMware's 2V0-621
Question #: 93
Topic #: 1
[All 2V0-621 Questions]

An administrator has created a resource pool named Marketing HTTP with a Memory Limit of 24 GB and a CPU Limit of 10,000 MHz.

The Marketing HTTP resource pool contains three virtual machines:
✑ Mktg-SQL has a memory reservation of 16 GB.
✑ Mktg-App has a memory reservation of 6 GB.
✑ Mktg-Web has a memory reservation of 4 GB.

What would happen if all three virtual machines are powered on?

  • A. All three virtual machines can power on, but will have memory contention.
  • B. All three virtual machines can power on without memory contention.
  • C. Only two of the three virtual machines can power on.
  • D. Only one of the virtual machines can power on. C
Show Suggested Answer Hide Answer
Suggested Answer: Explanation 🗳️
Applying a limit on a vCPU and memory will slow your VM down no matter what because of distribution of resources. Even if there are no other VMs running on that 4 socket quad core host. Powering on all the virtual machine will enables 100% resources to be used by VM hence, only few required VM’s will powered "On" which requires the maximum utilization from the available resources.
Example: When a single (or two) VM has a limit of 5000MHz and 16GB, 6 GB Memory = 22gb utilization will be high and is the only VM running on a host than it will run it full speed as it will be constantly rescheduled for 5000MHz and maximum memory (22-24 GB)
Check:
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2032906
Or Resource Pool Metrics:
https://pubs.vmware.com/.../GUID-6F436275-169F-4DE5-B393-3B771623C0F8.htm
.
by DuncanK53 at April 13, 2021, 12:15 p.m.

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zsootthey
3 years, 10 months ago
Yes, the good answer is "C".
upvoted 1 times
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DuncanK53
4 years ago
Answer not showing, can it be confirmed? Likely C.
upvoted 1 times
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