vSphere 6.0 training only qualifies you for VCP6-DCV, not VCP6.5-DCV.
While you could take the vSphere Foundations 6.5 exam, you would still need to do the VCP exam on 6.0, not 6.5.
On that basis, you might as well do vSphere Foundations 6.0, so you study just on a single version of the software.
VMware Certified Professional 6 – Data Center Virtualization (VCP6-DCV)
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