What are the key features of UCS?
A. 10 Gigabit unified network fabric, virtualization optimization, unified management, service profiles, flexible IO options
B. Gigabit network , virtualization optimization, unified management, service profiles, flexible IO options
C. 10 Gigabit unified network fabric, virtualization hardware, unified management, service profiles, performance IO options
D. 10 Gigabit unified network fabric, virtualization optimization, unified management, service profiles, performance IO options
