How can the administrator reconfigure the CNA ports for 16 Gb Fibre Channel SFPs?

A Unity storage system is installed with 10 Gb optical SFPs in CNA ports 4 and 5 of both Storage Processors. The storage administrator has had a request from a user to connect to the storage system through Fibre Channel.

How can the administrator reconfigure the CNA ports for 16 Gb Fibre Channel SFPs?
A . Configure all CNA ports for 16 Gb Fibre Channel
B . Configure CNA port 4 of SPA and SPB as 10Gb opticalConfigure CNA port5 of SPA and SPB as 16 Gb Fibre Channel
C . Configure CNA port 4 and 5 of SPA as 10 Gb opticalConfigure CNA ports 4 and 5 of SPB as 16 Gb Fibre Channel
D . CNA ports cannot be reconfigured once they are committed

Answer: A