单项选择题 YouworkastheapplicationdeveloperatCertkiller.com.Certkiller.comusesVisualStudio.NET2005asitsapplicationdevelopmentplatform.Youareintheprocessofstoringnumericalvaluesupto2，100，000，000intoavariableandmayrequirestoringnegativevaluesusinga.NETFramework2.0application.Youarerequiredtooptimizememoryusage.Whatshouldyoudo？（）A.Int32B.UInt16C.UInt32D.Int16

单项选择题 YourcompanyhasanActiveDirectorydomain.Youinstallanewdomaincontrollerinthedomain.Twentyusersreportthattheyareunabletologontothedomain.YouneedtoregistertheSRVrecords.Whichcommandshouldyourunonthenewdomaincontroller（）A.Runthenetshinterfaceresetcommand.B.Runtheipconfig/flushdnscommand.C.Runthednscmd/EnlistDirectoryPartitioncommand.D.Runthescstopnetlogoncommandfollowedbythescstartnetlogoncommand.

单项选择题 YournetworkconsistsofanActiveDirectoryforestthatcontainstwodomains.AllserversrunWindowsServer2008.AlldomaincontrollersareconfiguredasDNSServers.Youhaveastandardprimaryzonefordev.contoso.comthatisstoredonamemberserver.Youneedtoensurethatalldomaincontrollerscanresolvenamesfromthedev.contoso.comzone.Whatshouldyoudo（）A.Onthememberserver，createastubzone.B.Onthememeberserver，createaNSrecordforeachdomaincontroller.C.Ononedomaincontroller，createaconditionalforwarder.ConfiguretheconditionalforwardertoreplicatetoallDNSserversintheforest.D.Ononedomaincontroller，createaconditionalforwarder.ConfiguretheconditionalforwardertoreplicatetoallDNSserversinthedomain.