Which statement about the Adapter FEX feature on the Cisco Nexus 5000 Series Switches is true?()
A. Adapter FEX is a software feature that can be configured on any CNA as long as the Nexus 5000 is running a version of code that supports Adapter FEX
B. Adapter FEX can be thought of as a way to divide a single physical link into multiple virtual links or channels.
C. Packets on each channel are tagged with an 801.Q header that has a specific source VIF
D. When using a dual-homed NIC on the server, active/standby is not supported. Only active/active is supported.