A. application
B. presentation
C. session
D. transport
E. internet
F. data link
第1题
A.overleasedlines,usethemultilinkpppcommandtoreducelatencyandjitter,andtocreateDistributedLinkFragmentationandinterleaving
B.usetheservice-policycommandtoattachatrafficflowtoaninterfaceontherouter
C.usetheiprsvpbandwidthcommandtosetastrictupperlimitonthebandwidthNBARuses,andtoguaranteeadmissionofanyflows
D.usethepolicy-mapcommandtodefineoneormoreQoSpolicies(suchasshaping,policing,andsoon)toapplytotrafficdefinedbyaclassmap
E.usetherandom-detectdscpcommandtomodifythedefaultminimumandmaximumthresholdsfortheDSCPvalue
F.usetheclass-mapcommandtodefineoneormoretrafficclassesbyspecifyingthecriteriabywhichtrafficisclassified
第2题
a minimum, which paramenter must be configured on the access point in order to allow a wireless client to operate on it?()
A. AES
B. PSK
C. SSID
D. TKIP
E. WEP
第3题
A.aggregationcongestionoccurringatthecorelayerwherethedifferentdistributionlayerdevicesfeedtraffictothecore-layerswitches
B.speedmismatcheswhenmovingfromalow-speedLANenvironmenttoahigherspeedWANenvironment
C.flappingEthernetinterfacescausedbymisconfiguredLANinterfaces
D.flappingserialinterfacescausedbymisconfiguredWANinterfaces
E.speedmismatcheswhenmovingfromahigh-speedLANenvironmenttoalowerspeedWANenvironment
第4题
A.PPPoEcanprovideahostwithaccesstoadestinationoverEthernet.Youcanhaveonlyone PPPoE sessionperPVC
B.YoumustinstallPPPoEclientsoftwareonallhoststhatconnecttotheEthernetsegment.Thismeans thattheaccessprovidermustmaintainaCPE
C.YoucannotusePPPoEwithCiscoServiceSelectionGateway
D.PPPoEimplementationissusceptibletobroadcaststormsandpossibledenial-of-serviceattacks
E.Per-sessionaccountingispossible,whichallowstheserviceprovidertochargethesubscriberbased onsessiontimeforvariousservicesoffered.Theserviceprovidercanalsorequireaminimumaccess charge
第5题
A.alerts
B.critical
C.errors
D.notifications
第7题
A.fortrailtraceidentification
B.asthebackwarddefectindicator
C.totransmitinformationbetweenOTUterminationpoints
D.toextendcommandandmanagementfunctionsoverseveralframes
E.Generalcommunicationchannels1and2(GCC1/GCC2)donotbelongtoOTUOH
第8题
A.SNMPtraps
B.fabriccards
C.exec-levelconfiguration
D.privilege-levelconfiguration
E.admin-levelconfiguration
第9题
A. A WPA key is longer and requires more special characters than the WEP key.
B. The access point and the client are manually configured with different WPA key values.
C. WPA key values remain the same until the client configuration is changed.
D. The values of WPA keys can change dynamically while the system is used.
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