Which FA ports must the production LUN be mapped to in order to perform write splitting using the VMAX splitter?

Which FA ports must the production LUN be mapped to in order to perform write splitting using the VMAX splitter?
A . The ports zoned to both the Host and the RPAs only
B . Every available port; the RPAs access the VMAX through the gatekeepers
C . The ports zoned to the Production Host only
D . The ports zoned to the RPAs only

Answer: A