Which path selection protocol is used by Fibre Channel fabrics？（）

A. It operates much like TCP.
B. Flow control is only provided by QoS.
C. It must be implemented in an arbitrated loop.
D. Communication methods are similar to those of an Ethernet bus.
E. N_Port to N_Port connections use logical node connection points.

A. supports multiple protocols
B. works only in a shared or loop environment
C. allows addressing for up to 4 million nodes
D. allows addressing for up to 8 million nodes
E. provides a high speed transport for SCSI payloads
F. may stretch to a distance of up to 100 km before needing extenders