无产阶级的天然和可靠的同盟军是（)A．农民B．小资产阶级C．民族资产阶级D．知识分子

ibre Channel devices enabled by a Fibre Channel switch. Fabrics are normally subdivided by Fibre Channel zoning.Each fabric has a name server and provides other services. Higher redundancy over FC-AL, P2P.Which path selection protocol is used by Fibre Channel fabrics?（）

A.OSPF

B.RIP

C.FSPF

D.VSANs

VLANTagging，alsoknownasFrameTagging，isamethoddevelopedbyCiscotohelpidentify packetstravellingthroughtrunklinks.WhenanEthernetframetraversesatrunklink，aspecial VLANtagisaddedtotheframeandsentacrossthetrunklink.HowdoesERSusetheVLANtag？（）

A.provideserviceinternetworking

B.supporttransparencyforLayer2frames

C.indicatedestinationasaconnectionidentifier

D.maptotheDLCIinserviceinternetworking

ance Agent contained in Cisco IOS. Which CiscoWorks network management application will be used to report the latency and availability for configured traffic operations on an end-to-end and hop-byhop (router-to-router) basis?（）

A. nGenius Real-Time Monitor

B. CiscoView

C. Device Fault Manager

D. Internetwork Performance Monitor

A.NeitherbroadcastnormulticasttrafficiseverfloodedinVPLS.

B.MulticasttrafficisfloodedbutbroadcasttrafficisnotfloodedinVPLS.

C.VPLSemulatesanEthernetswitch，witheachEMSbeinganalogoustoaVLAN.

D.BecauseU-PEdevicesactasIEEE802.1devices，theVPLScoremustuseSTP.

E.Whentheproviderexperiencesanoutage，IPre-routingrestoresPWconnectivityandMACre-learningisneeded.

A.bandwidthefficiency

B.cell-switching

C.congestionnotification

D.heterogeneousnetwork

cally and logically in the traffic path. The NAS identifies clients solely based on their MAC addresses. In which access mode has this NAS been configured to operate?（）

A. Layer 2 mode

B. Layer 2 Edge mode

C. Layer 3 mode

D. Layer 3 In-Band mode

AFibreChannelfabric（orFibreChannelswitchedfabric，FC-SW）isaswitchedfabricofFibreChanneldevicesenabledbyaFibreChannelswitch.FabricsarenormallysubdividedbyFibre Channelzoning.Eachfabrichasanameserverandprovidesotherservices.HigherredundancyoverFC-AL，P2P.WhichpathselectionprotocolisusedbyFibreChannelfabrics？（）

A.OSPF

B.RIP

C.FSPF

D.VSANs

A. single site with centralized call processing

B. single site with distributed call processing

C. multisite with centralized call processing

D. multisite with distributed call processing

tainedinCiscoIOS.WhichCiscoWorksnetworkmanagementapplicationwillbeusedtoreportthelatencyandavailabilityforconfiguredtrafficoperationsonanend-to-endandhop-by-hop（router-to-router）basis？（）

A.nGeniusReal-TimeMonitor

B.CiscoView

C.DeviceFaultManager

D.InternetworkPerformanceMonitor

A. QoS must be set to Platinum

B. WMM must be enabled

C. QoS must be set to Gold

D. TSPEC must be disabled

E. Cisco Compatible Extensions must be disabled