Which front-end options are available for each Dell EMC SC4020 controller?

A.

2 FC 16 Gb, 2 FC 8 Gb

4 iSCSI 10 Gb, 4 SAS 12 Gb

B.

2 FC 16 Gb, 4 FC 8 Gb

4 iSCSI 10 Gb, 4 SAS 12 Gb

C.

4 FC 16 Gb, 2 FC 8 Gb

4 iSCSI 10 Gb, 4 SAS 12 Gb

D.

4 FC 16 Gb, 4 FC 8 Gb

4 iSCSI 10 Gb, 4 SAS 12 Gb