Which two steps can an administrator take to upgrade an existing VMFS2 datastore to VMFS5?
(Choose two.)
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A.
Attach the VMFS2 datastore to an ESX 3.x host and upgrade it to VMFS3
B.
Attach the VMFS2 datastore to the vSphere 5 host and upgrade it to VMFS3
C.
Upgrade the datastore from VMFS3 to VMFS5 on a vSphere 5 host
D.
Upgrade the ESX host attached to the storage to vSphere 5
Explanation: