You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）

A. orrupted blocks, if any, are repaired.

B. hecks are performed for physical corruptions.

C. hecks are performed for logical corruptions.

D. hecks are performed to confirm whether all database files exist in correct locations

E. ackup sets containing both data files and archive logs are created.