An administrator is reporting slow access to datastores from multiple ESX Hosts. The datastores are all FC SAN on ESX 3.x and ESX 4 Hosts. Which of the following two actions can be taken to improve performance (Choose Two)?

A.
Unload the LUN Masking driver using the vmkload_mod -u qla2300

B.
Unload the FSAUX driver using the vmkload_mod -u fsaux

C.
Unload the NFS driver using the vmkload_mod -u nfsclient

D.
Unload the VMFS-2 driver using the vmkload_mod -u vmfs2