单项选择题WhatisrequiredforproperimplementationofjumboframesupportonaCiscoNexus2000SeriesFabricExtender?()
A. The interface configured as FEX fabric requires the MTU to be set to jumbo.
B. The service policy must be applied to the system QoS.
C. The device defaults to jumbo frame support; no changes are required.
D. The switchport in the FEX interface must be set to MTU 9216.