What is a benefit of HP FlexFabric Networks?

A.
Optical backplane technology
B.
iLO management engine integration
C.
Reduction in switch count
D.
Distributed management
Explanation:
http://h18004.www1.hp.com/products/solutions/converged/ff-4aa0-7725enw.pdf(page
2, HP FlexFabric benefits, second bulleted point – read the entire paragraph)