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

单项选择题WhenbuildingaNICteam（virtualportchannel）betweenahostandapairofCiscoNexus5000SeriesSwitchesthatwillcarryFCoEtraffic，whatisthemaximumnumberofphysicallinksthatcanexistintheteam？（）

A. 1
B. 2
C. 4
D. 5
E. 16

单项选择题WhichstatementiscorrectaboutthenumberofavailableQoSsystemclassesinFCoE？（）

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WhichmechanismdotheCNAandtheCiscoNexus5000SeriesSwitchesusetoprovidealosslessclassofEthernettraffic？（）

A. LLDP
B. LACP
C. PFC
D. FIP

单项选择题Which statement describes the below output from an MDS switch？（）    Flow ID. 44  Initiator VSAN： 200  Initiator WWN： 50：06：04：8a：cc：19：12：db  Target VSAN： 200  Target WWN： 50：06：04：8c：de：ad：be：ef  T arget LUN： ALL LUNs  Flow Verification Status：   -------------------------  Initiator Verification Status： success  Target Verification Status： WWN was not found in name server   Initiator Linecard Status： success  Target Linecard Status： Status not yet checked   Feature Status：   ---------------  Write-Acceleration enabled   Write-Acceleration Buffers： 1024  Configuration Status： flow verification failed

A. The zone containing both the initiator and target does not exist
B. The zone set has not been activated
C. The target is not logged into the fabric
D. The pWWN used for the target is invalid

单项选择题WhichstatementabouttheAdapterFEXfeatureontheCiscoNexus5000SeriesSwitchesistrue？（）

A. Adapter FEX is a software feature that can be configured on any CNA as long as the Nexus 5000 is running a version of code that supports Adapter FEX
B. Adapter FEX can be thought of as a way to divide a single physical link into multiple virtual links or channels.
C. Packets on each channel are tagged with an 801.Q header that has a specific source VIF
D. When using a dual-homed NIC on the server， active/standby is not supported. Only active/active is supported.