When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recomme
nded best practices? (Choose two.)
A. Use RVC to upgrade the hosts.
B. Use the latest available ESXi version.
C. Back up all VMs.
D. Use only the -Full data migration- maintenance mode option.
Every instance of this question in dumps have different answers highlighted and none have an explanation.
Definitely not A. This is just an option to use RVC..not a requirement or a “must”
Definitely not B. As you mainly need to ensure that vCenter and ESXi match, so you wouldn’t want to upgrade to the latest ESXi, passing up your vCenter instance.
C makes sense.
D … not necessarily either, as the VMware official documents for upgrading VSAN state there are three options.
Best documentation i can find:
https://kb.vmware.com/s/article/2146381
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUID-ABABC0DF-2519-4C8F-A5B1-2AECF86247AB.html
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID-0B331151-7CE4-4D18-9A36-638CEEDEF2CC.html
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUID-874F305A-E794-43EC-AC6C-51EA3DCBBBD0.html
I take this whole question with a grain of salt.
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