单项选择题
Traffic drop for FCoE is experienced across a Nexus 5548 switch. What is a possible cause？（）
A. Server’s CNA does not support DCBX and PFC TLV was not negotiated. B. A "no-drop" class has not been configured for FCoE C. The system is running with the default QOS policies. D. The link is oversubscribed.
单项选择题 WhichcommandisusedtodetermineifahosthasloggedintotheFibreChannelfabric？（）
多项选择题 LosslessEthernetforFCoEisachievedthroughtheuseofwhichfeatures？（）
单项选择题 WhichstatementistrueaboutTheQoSClassFibreChannel？（）
