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單項(xiàng)選擇題

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.

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