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

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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

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

Which statement about the Adapter FEX feature on the Cisco Nexus 5000 Series Switches is true？（）

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.