单项选择题 Your network contains one Active Directory domain. You have a member server named Server1 that runs Windows Server 2008 R2. The server has the Routing and Remote Access Services role service installed.You implement Network Access Protection (NAP) for the domain.You need to configure the Point-to-Point Protocol (PPP) authentication method on Server1.Which authentication method should you use？（）

单项选择题 Network access protection (NAP) is configured for the corporate network. Users connect to the corporate network by using portable computers. The command policy required confidentiality of data when is in transmit between the portable computers and the servers. You need to ensure that users can access network resources only from computers that comply with the company policy. What should you do?（）

单项选择题 Yourcompanyhasaservernamedserver1thatrunswindowsserver2008.Server1runstheDHCPserverroleandtheDNSserverrole.Youalsohaveaservernamedservercorethatrunsaservercoreinstallationofwindowsserver2008.Allcomputersareconfiguredtouseonlyserver1forDNSresolution.Theipaddressofserver1is192.168.0.1.thenetworkinterfaceonallthecomputersisnamedLAN.Server1istemporarilyoffice.AnewDNSservernamedserver2hasbeenconfiguretousetheipaddress192.168.0.254.youneedtoconfigureservecoretouseserver2asthepreferredDNSserver.Whatshouldyoudo？（）