YouaretroubleshootingaproblemwithaCisco7920wirelessIPphonethatiscausingthephonetodropcalls.Theproblemappearstobearoamingbandwidthissue.Inordertoverifywhatkindofissueitis，youdecidetoincreasethebandwidthreservedforroamingontheWLANcontrollertothemaximum.Whatleveldoyousetthebandwidthto？（）
A.5percent
B.15percent
C.25percent
D.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?（）

单项选择题RefertoCiscoIOSZone－BasedPolicyFirewall，wherewilltheinspectionpolicybeapplied？（）