What speed and quantity of ports are needed for full-speed operation?

A customer has ordered a Cisco 5760 Wireless Controller. What speed and quantity of ports are needed for full-speed operation?
A. 6 x 1 Gb
B. 6 x 10 Gb
C. 2 x 10 Gb
D. 2 x 1 Gb
E. 8 x 1 Gb
F. 8 x 10 Gb