下列有关存储器的说法错误的是（)。A．访问存储器的请求是由CPU发出的B．Cache与主存统一编址，即主存

and appled to interface E0 inbound,to prevent all hosts(except those whose addresses are the first and last IP of subnet 172.21.1.128/28) from accessing the network.But as is,the ACL dose not restrict anyone from the network.How can the ACL statements be re-arranged so that the system works as intended?（）

A.CDBA

B.DBAC

C.ACDB

D.BADC

A.Multicastissupported

B.Dynamicroutingprotocolsaresupported

C.VPNconfigurationsaresupported

D.Staticroutesaresupported

A.TheVPNv6addressisa96-bitroutedistinguisheranda128-brtIPv6address

B.TheVPNv6addressisa64-bitroutedistinguisheranda128-bitIPv6address

C.TheVPNv6addressisa64-brtroutedistinguisheranda96-brtIPv6address

D.TheVPMv6addressisa96-brtroutedistinguisheranda96-bitIPv6address

E.TheVPNv6addressisa128-bitroutedistinguisheranda128-brtIPv6address

A.ABGProutercanonlyadvertiseanEBGPlearnedroute，providedthattherouteisanIGProuteintheroutingtable.

B.ABGProutercanonlyadvertiseanIBGPlearnedroute，providedthattherouteisanIGProuteintheroutingtable.

C.ABGProutercanonlyadvertiseanIBGPlearnedroute，providedthattherouteisanIGProutethatisnotintheroutingtable.

D.ABGProutercanonlyadvertiseanEBGPlearnedroute，providedthattherouteisametricof0intheBGPtable.

A.Any matchingstateconditionwillresultwiththestatebeingtriggered

B.Onceastateconditionismet，thesystemceasessearchingfurtherconditionsandwillcausethestateconditiontotrigger

C.Allspecifiedstateconditionsareusedaspartoftherequirementstobemettoforthestatetotrigger

D.Oncethestateconditionsaremet，they becomepersistentandcanonlyberemovedusingtheResetfeature

A.A DHCP client uses a ping to detect address conflicts.(ARP)

B.A DHCP server uses a gratuitous ARP to detect DHCP clients.

C.A DHCP client uses a gratuitous ARP to detect a DHCP server.

D.If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.

E.If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator.

F.If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted.

A.ThefollowingXML-basedNETCONFoperationsaresupportedinNX-OSSoftwarE˙close-session copy-config delete-config andedit-config

B.ThefollowingXML-basedNETCONFoperationsaresupportedinNX-OSSoftwarE˙close-session copy-config edit-config andkill-session

C.NX-OSSoftwaresupportsuptoamaximumof16concurrentXMLsessions

D.OnlyshowcommandsaresupportedviatheXMLmanagementinterfaceinNX-OSSoftware

E.TheNX-OSimplementationoftheXML-basedNETCONFrequiresSSHtobeusedforcommunicationwiththedevice

A.NAPandNSPprovidesecureaccesstocorporategatewayswithoutmanagingend-to-endPVCs.NAPandNSPuseLayer3routing，Layer2Forwarding，orLayer2TunnelingProtocoltunnels.Hence，theycanscaletheirbusinessmodelsforsellingwholesaleservice

B.TheNSPcanoversubscribebydeployingidleandsessiontimeoutsusinganindustrystandard RADIUSserverforeachsubscriber

C.OnlyasinglesessionperCPEononevirtualchannel （VC).Theusernameandpasswordare configuredontheCPE，soallusersbehindtheCPEforthatparticularVCcanaccessonlyonesetofservices.Userscannotselectdifferentsetsofservices，althoughusingmultipleVCsandestablishing differentPPPsessionondifferentVCsispossible

D.IfasingleIPaddressisprovidedtotheCPE，andNATorPATisimplemented，certain applications suchasIPTV，whichembedIPinformationinthepayload，wellnotwork.Additionally，ifanIP subnet featureisused，anIPaddressalsohastobereservedfortheCPE

E.PPPoAcanusethefeaturesontheCiscoServiceSelectionGateway（SSG）

A.SignatureFidelityRating

B.AlertSeverityRating

C.ExploitProbabilityRating

D.TargetValueRating

E.AttackRelevancyRating