Which is an accurate statement concerning Fibre Channel Topology?

A.
A Fibre Channel hub can be the switching point for a Switched Fabric Network topology.
B.
A point to point network topology requires a Fibre Channel switch.
C.
A Fibre Channel Arbitrated Loop Topology is a full non-blocking architecture.
D.
Communication on an arbitrated loop topology is limited to a single conversation at a time.