Which three flow-control port states lead to enabled link flow control？ （）

单项选择题WhatisthemechanismthatisusedtoallocateMACaddressesthatareassignedtotheVDCforthesystemMACaddress？（）

A. NX-OS uses a random MAC address from the IEEE OUI block that is assigned to Cisco.
B. The VDC system MAC is pulled from the active supervisor and concatenated through a hash to ensure uniqueness.
C. NX-OS uses a value that is based on a range that is assigned to the SPROM of the system backplane.
D. The VDC system MAC is based on a range that is allocated to the first line card that is installed in the switch.

单项选择题IfthedefaultVDCisconfiguredtolimitresourcestoaspecificmoduletype，whathappenswhenamodulethatdoesnotmatchtheresourcetypeisinstalled？（）

A. The module is powered up， and interfaces are in an "admin down" state.
B. The module is denied power， and a syslog message is generated.
C. The module is powered up， and interfaces are allocated to VDC0.
D. The module is powered up， and interfaces are allocated to VDC100.

多项选择题WhatistheuseofNPVinCiscoUnifiedComputingSystems？（）

A. Compatibility with third-party Fibre Channel switches
B. Faster throughput
C. Reduce domain IDs in a Fibre Channel environment
D. Support for increased number of VSANs
E. Support for SAN port channels

单项选择题WhichcapabilitiesarenotsupportedinDCNMdevicemanager？（）

A. manage SNMPv3 security access to switches
B. save and copy configuration files and software images
C. configure VLANs and Ethernet port channels
D. manage 2148T FEX， 2232PP FEX， and 2248TP FEX
E. configure FCoE

单项选择题WhichstatementaboutSANportchannelsconfiguredonCiscoNexus5000SeriesSwitchesistrue？（）

A. A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. 
B. SAN port channels can include up to 16 interfaces.
C. SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.
D. The links in SAN port channels can be connected to different sets of switches.
E. The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.