Which three flow-control port states lead to enabled link flow control？ （）

A. NX-OS uses a random MAC address from the IEEE OUI block that is assigned to Cisco.
B. The VDC system MAC is pulled from the active supervisor and concatenated through a hash to ensure uniqueness.
C. NX-OS uses a value that is based on a range that is assigned to the SPROM of the system backplane.
D. The VDC system MAC is based on a range that is allocated to the first line card that is installed in the switch.

A. The module is powered up， and interfaces are in an "admin down" state.
B. The module is denied power， and a syslog message is generated.
C. The module is powered up， and interfaces are allocated to VDC0.
D. The module is powered up， and interfaces are allocated to VDC100.

A. Compatibility with third-party Fibre Channel switches
B. Faster throughput
C. Reduce domain IDs in a Fibre Channel environment
D. Support for increased number of VSANs
E. Support for SAN port channels