An administrator is performing upgrades to ESXi 5.0 from ESX 3.x and ESX 4.x hosts. What is true about this procedure?
A.
A direct, in-place upgrade can be performed only on ESX 4.1 and later hosts
B.
ESX 3.x and later hosts can be upgraded, but the upgrade cannot be performed in place
C.
A direct, in-place upgrade can be performed only on ESX 4.0 and later hosts
D.
A direct, in-place upgrade can be performed only on ESX 3.5 and later hosts
Explanation:
http://pubs.vmware.com/vsphere-50/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-50-upgrade-guide.pdf