单项选择题
A. Run the ipconfig /renew command on WKS1
B. Run the netsh add helper command on WKS1
C. Add the DHCP reservation for WKS1 to the second DHCP server
D. Add both DHCP servers to the RAS and IAS Servers group in the Active Directory domain
多项选择题 YourcompanyhasasingleActiveDirectorydomain.AllserversrunWindowsServer2008.Thecompanynetworkhas10serversthatperformasWebservers.Allconfidentialfilesarelocatedonaservernamed FSS1.Thecompanysecuritypolicystatesthatallconfidentialdatamustbetransmittedinthemostsecuremanner.Whenyoumonitorthenetwork，younoticethattheconfidentialfilesarestoredontheFSS1serverarebeingtransmittedoverthenetworkwithoutencryption.YouneedtoensuretahtencryptionisalwaysusedwhentheconfidentialfilesontheFSS1serveraretransmittedoverthenetwork.Whataretwopossiblewaystoachievethisgoal？（）
单项选择题 Your company has two servers that run Windows Server 2008 R2 named Server2 and Server3.Both servers have the DNS Server server role installed.Server3 is configured to forward all DNS requests to Server2.You update a DNS record on Server2.You need to ensure that Server3 is able to immediately resolve the updated DNS record.What should you do？（）
单项选择题 YourcompanyhasanActiveDirectorydomain.AservernamedServer1runstheNetworkAccessPolicyserverrole.YouneedtodisableIPv6forallconnectionsexceptforthetunnelinterfaceandtheIPv6Loopbackinterface.Whatshouldyoudo？（）