Which of the following statements about switched fabric topology in Fibre Channel SANs is NOT true?

Which of the following statements about switched fabric topology in Fibre Channel SANs is NOT true?
A . It is the most widely used topology that supports a maximum of 127 devices.
B . Multiple pairs of nodes connecting to switches can communicate simultaneously.
C . The fault of one node in a zone does not affect services on nodes in other zones.
D . The switches leverage zoning to manage network structure and provide the best interconnection form.

Answer: A