Your question needs more context to be answerable.
As far as I remember, this question is part of the VCAP6.5-DCV Design exam. And because he has a screenshot of it, I'd assume it's from an exam dump...
I think I know the question and also the correct answer, but it's forbidden to speak about exam content (according to the exam's non-disclosure agreement).
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Regards,
Sebastian
VCP6.5-DCV // VCP7-CMA // vSAN 2017 Specialist
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