How is a node added to a virtual storage area network (VSAN) created on a Fibre Channel SAN?

How is a node added to a virtual storage area network (VSAN) created on a Fibre Channel SAN?
A . Assign the VSAN ID to an F_Port on a FC switch
Connect the N_Port on the node to the F_Port
B . Assign the VSAN ID to the N_Port on the node
Connect the N_Port to an E_Port on a FC switch
C . Assign the VSAN ID to an E_Port on a FC switch
Connect the N_Port on the node to the E_Port
D . Assign the VSAN ID to the N_Port on the node
Connect the N_Port to an F_Port on a FC switch

Answer: A