单项选择题

AcustomerwantstodeploytheCiscoBusinessReadyTeleworkersolution,butiscurrentlyusingatraditional(non－IP)PBXforvoiceservices.Whatwouldyourecommendtothiscustomer?（）

A.DeploymentofBusinessReadyTeleworkerwithVoIPisnotrecommended.
B.Thecustomer’sexistingPBXmustfirstbereplacedwithCiscoIPTelephonysolution.
C.BusinessReadyTeleworkerandCiscoIPTelephonycanbedeployedinparalleltotheexistingPBX，integratingthetwowithtrunking.
D.Deploymentisrecommendedonlyforfull-timeTeleworkerswhohavenoothercorporatephone.

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Whichstatementregarding802.1Xistrue?（）

A.802.1Xissimpletoimplementonanyworkstation.
B.802.1Xrequiresaccess-liststoallowIPvoicetrafficacross.
C.AuthenticationisinitiatedwhentheworkstationconnectstoanEthernetport.
D.802.1XrequiresHTTPaccesstoinitiateauthentication.

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AnEnterprisedecidestoimplementAuthenticationProxyforper－userauthenticationforhomeoffices.EachhomeofficealsosupportsanIPPhone.Whatshouldyoudo?（）

A.ConfigureAccessControlListstoensureVoiceoverIPtrafficischeckedbyAuthProxy.
B.ConfigurepNATtoensureVoiceoverIPpacketsareproperlytranslated.
C.ConfigureIOSfirewalltopermitRTPportnumbersthroughthefirewallviaVPN.
D.ConfigureAccessControlListstoallowVoiceoverIPtraffictobypassAuthProxychecking.