单项选择题YouaretroubleshootingaproblemwithaCisco7920wirelessIPphonethatiscausingthephonetodropcalls.Theproblemappearstobearoamingbandwidthissue.Inordertoverifywhatkindofissueitis,youdecidetoincreasethebandwidthreservedforroamingontheWLANcontrollertothemaximum.Whatleveldoyousetthebandwidthto?()A.5percentB.15percentC.25percentD.35percent
单项选择题AcmeCompanyhasseveralofficesaroundthecountry.ThecompanyhasdeployedaVoIPnetworkwithCiscoUnifiedCallManagerinamultisitecentralizedconfigurationbutthereisarequirementtoplaceacallagentatsomeoftheremotesites.WhichIOSgatewayfeatureshouldbedeployedattheremotesitetoenablelocalcallcontrol?()A.GatekeepermultizoneB.CallAdmissionControl(CAC)C.AutomaticAlternateRouting(AAR)D.SurvivableRemoteSiteTelephony(SRST)E.CiscoUnifiedCallManagerExpress(CME)
单项选择题Whichcertification-basedprotocolisimplementedforwirelessQoSbetweenanAPandawirelessclientoverRFmedia?()
单项选择题Inabrute-forceattack,whatpercentageofthekeyspacemustanattackergenerallysearchthroughuntilheorshefindsthekeythatdecryptsthedata?()
单项选择题Anadministratorissuesthecommandping127.0.0.1fromthecommandlinepromptonaPC.Ifareplyisreceived,whatdoesthisconfirm?()