Which is the correct order for upgrading vSphere components?

Which is the correct order for upgrading vSphere components?
A . vCenter Server, ESXi hosts, VMware Tools, Virtual Machine hardware
B . VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
C . vCenter Server, Virtual Machine hardware, VMware tools, ESXi hosts
D . ESXi hosts, vCenter Server, Virtual Machine hardware, VMware Tools

View Answer

Answer: A

Explanation:

Upgrade vCenter Server on the protected site. Upgrade ESXi Server on the protected site Upgrade the virtual hardware and VMware Tools on the virtual machines on the ESXi hosts

Reference: https://docs.vmware.com/en/VMware-vSphere/6.5/vsphere-esxi-vcenter-server-65-upgrade-guide.pdf page