Which two of these correctly describe Fibre Channel？（）

• 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