What is the use of NPV in Cisco Unified Computing Systems？ （）    

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.

单项选择题WhichstatementaboutCiscoUnifiedFabricswitchesiscorrect？（）

A. The Nexus 5000 family of switches does not support vPC when running in either NPV or FCoE NPV mode.
B. The MDS 9100 family of switches is an excellent design choice as a Unified Fabric edge switch. 
C. The Nexus 7000 Series Switches can support the NPIV mode of operation， but cannot function as a complete Fibre Channel Forwarder.
D. The Nexus 7000 Series Switches cannot support advanced Cisco Fibre Channel features such as IVR.
E. The MDS family of Cisco Unified Fabric switches supports both the Fibre Channel Forwarder and Fibre Channel Bridge functions.

多项选择题WhichthreecapabilitiesmaketheCiscoNexus7010switchaneffectivesolutionforthedatacentercore？（）

A. virtualization
B. unified I/O
C. support for 48-port Gb/s line card
D. support for Data Center Service Modules
E. high performance
F. high availability

多项选择题WhichtwostatementsaboutSANportchannelsconfiguredonCiscoNexus5000Seriesswitchesaretrue？（）

A. The bring up protocol automatically detects and overrides any misconfiguration.
B. You can manually configure channel groups， or they can be automatically created.
C. Changes in configuration to the SAN port channel interface must also be made to all members of the channel group.
D. The port channel protocol uses the exchange fabric parameters command to communicate across peer ports in an ISL.
E. The port channel protocol ensures that a set of ports is eligible to be part of the same SAN port channel.