An administrator is performing upgrades to ESXi 5.0 from ESX 3.x and ESX 4.x hosts. What is true about this procedure?

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 hosts can be upgraded, but require an upgrade to 4.x before 5.0.
C. A direct, in-place upgrade can be performed only on ESX 4.5 and later hosts.
D. A direct, in-place upgrade can be performed only on ESX 3.5 and later hosts.







Answer: B


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