State the amount of buffer-to-buffer (BB) credits which can be allocated to a port on a Brocade DS16

State the amount of buffer-to-buffer (BB) credits which can be allocated to a port on a Brocade DS16-B2 (Brocade 3×00) series switch.

A.
108

B.
64

C.
27

D.
54

Explanation:
It says per port and each port for this switch has 27BB available