An administrator wants to clean up the database by removing non-registered customer records using the Database Cleanup utility.  Which of the following is the correct syntax to perform this task？（）

多项选择题AsiteadministratorisconfiguringResource-levelaccesscontrol.WhichofthefollowingstatementsaboutResource-levelaccesscontrolaretrue？Resource-levelaccesscontrolpolicies：（）

A.are optional
B.are used to protect data beans
C.provide coarse-grained access control
D.never specify a relationship

单项选择题Intheeventofafailure，whatwouldbetheMOSTcompletemethodforrecoveringtheWebSphereCommercedatabase？（）

A.Recreate the database from the staging server.
B.Restore a database backup.
C.Reload the data using Mass Loader.
D.Republish the store archive.
E.Republish from WebSphere Catalog Manager.

多项选择题AnadministratorreceivesanerrorwhenattemptingtoexecuteaWebSphereCommercecommandanddecidestotakethefollowingstepstotroubleshoottheproblem：ChecktoseeiftherequestwasprocessedbytheWebSphereplug-inbutwasneverreceivedbytheWebSphereApplicationServerCheckforJavaerrorsfromEJBsandservletsTraceWebSphereCommerceServersubsystemsandcommandsWhichofthefollowingfilesshouldtheadministratorchecktoaccomplishthesesteps？（）

A.error.log
B.trace.log
C.http_plugin.log
D.servlet.log
E.SystemOut.log

多项选择题WhenastagingserverisusedasanenvironmentfortestingnewdatainadefaultWebSphereCommerceinstallation，whichofthefollowingaretrueaboutthestagingserver？（）

A.The database has a subset of the tables in the production server database.
B.The database has a copy of selected data from the production database
C.The database logs changes for later propagation.
D.The database is accessed as read-only to prevent data corruption.
E.The database includes all user and order data for offline processing.

多项选择题AnadministratordeterminesthatperformancehasdegradedforaWebSphereCommercedatabase.Whichofthefollowingstepsshouldbeperformedtocorrectthisproblem？（）

A.Cleanup obsolete data
B.Clear the WebSphere Commerce cache
C.Enable WebSphere Commerce Accelerator
D.Reindex the database tables
E.Run Performance Monitor to monitor SQL statements