单项选择题YouworkinacompanywhichisnamedWiikigoCorp.ThecompanyusesSQLServer2008.Youaretheadministratorofthecompanydatabase.NowyouareinchargeofaSQLServer2008instance.ThereisadatabasenamedDB1intheinstance.ThecompanystoresclientsdatainDB1.ClientscanaccesstheirprofiledatabyusingaWebapplication.Youmustensurethesecurityofthecustomerdata,youmustensurethatevenifthebackupmediaislost,datafiles,logfilesandsubsequentbackupsandsoonarequitesafe.Sowhatactionshouldyouperformtoachievethisgoal?()
A.For both the CustomerDB database and the master database, enable Transparent Database Encryption.
B.You should use the built-in encryption functions to encrypt the sensitive data at the cell level.
C.You should make the CustomerDB database accessible only through stored procedures and functions.
D.For the CustomerDB database, enable Transparent Database Encryption and back up the transaction log.