Which two factors must be considered for the implementation?

You plan to implement Cisco Nexus 7000 Series switches in a data center. Which two factors must be considered for the implementation? (Choose two.)
A. M-Series modules support FcoE.
B. In storage VDCs, you can have only storage traffic.
C. Each F-Series module that runs FCoE requires an FCoE license.
D. F1-Series and F2-Series modules cannot exist in the same VDC.
E. F3-Series modules lack support for FEX.