You are adatabase developer.You develop ataskmanagementapplication that connect stoa SQLServer2008databasenamed TaskDB.Users logon to the application by using a SQLServer login. The application containsamodulenamed Taskthatassignstaskstousers.Informationaboutthe setasksisstoredinthe Taskstableofthe TaskDB data base.The Taskstablecontainsmultiplecolumns.These include the Close Dateand Estimated Timecolumns.Theapplication mustmeetthefollowingsecurityrequirements:Usersassigned toad atabase role named User 1 canupd ate all taskinformation columnsexceptthe Close Dateandthe Estimated TimecolumnsintheTaskstable.Administrative usersassigned toad atabase rolenamed Task_Admincanupd ateall taskinformation intheTaskstable.Youneedtodesignastrategy tomeetthesecurityrequirements. Whichtwoactionsshouldyouperform?（）
A.You B.Users C.Informationaboutthe D.The E.These F.Theapplication G.Administrative H.Youneedtodesignastrategy I.