单项选择题

Which statement is true about The QoS Class Fibre Channel？（）

A. Cannot be disabled
B. Cannot have the CoS changed
C. Can have "Packet Drop" enabled
D. Is multicast optimized
E. Can have the MTU changed

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单项选择题

When building a NIC team （virtual port channel） between a host and a pair of Cisco Nexus 5000 Series Switches that will carry FCoE traffic， what is the maximum number of physical links that can exist in the team？（）

A. 1
B. 2
C. 4
D. 5
E. 16

单项选择题

Which statement is correct about the number of available QoS system classes in FCoE？（）

A. It’s hard-set and cannot be disabled
B. It’s configurable， with an upper limit of 16
C. It’s hard-set but cannot disable best-effort and Fibre Channel
D. It’s hard-set but can disable all but one class
E. It’s configurable with an upper limit of eight

单项选择题

Which mechanism do the CNA and the Cisco Nexus 5000 Series Switches use to provide a lossless class of Ethernet traffic？（）

A. LLDP
B. LACP
C. PFC
D. FIP