Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?
A. Use the negotiation auto command in interface configuration mode to enable link auto- negotiation to ensure that devices that share a link segment are automatically configured with the highest performance.
B. The configuration supports only full-duplex operation.
C. The range for MTU values is 64 bytes to 1518 bytes on the interface.
D. The interface has no flow control configuration.
