Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of t

Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.Examine the following command and its output:You execute the following command:RMAN > BACKUP DATABASE PLUS ARCHIVELOG;Which data files will be backed up？（）

A. Data files that belong to only the root container

B. Data files that belong to the root container and all the pluggable databases (PDBs)

C. Data files that belong to only the root container and PDB$SEED

D. Data files that belong to the root container and all the PDBs excluding PDB$SEED

A. Enable the flash recovery area and specify it as the archived redo log destination.

B. Disable the flash recovery area and start the database instance in ARCHIVELOG mode.

C.Enable the flash recovery area but do not specify it as the archived redo log destination.

D. Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

A. The database must be opened in restricted mode.

B. The database must be configured to run in ARCHIVELOG mode.

C. The tablespaces are required to be in backup mode before taking the backup.

D. The tablespaces are required to be in read-only mode before taking the backup

A. The database must be opened in restricted mode.

B. The database must be configured to run in ARCHIVELOG mode.

C. The tablespaces are required to be in backup mode before taking the backup.

D. The tablespaces are required to be in read-only mode before taking the backup

er each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;Which action should you perform immediately after using this command？（）

A. You should perform a log switch

B. You should make a backup of the database

C. You should switch the database to the NONARCHIVELOG mode

D. You should shut down the database instance and perform a complete database recovery

USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available.Which three files would be used in the user-managed recovery process performed by the database administrator （）(DBA)？ (Choose Three)

A. Redo logs

B. Control file

C. The latest backup of only the damaged data file

D. The latest backup of all the data file in the USERS tablespace

E. Temporary files of temporary tablespace

F. Archive Logs since the latest backup to point of failure

USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)？（）

A. Redo logs

B. Control file

C. The latest backup of only the damaged data file

D. The latest backup of all the data file in the USERS tablespace

E. Temporary files of temporary tablespace

F. Archive Logs since the latest backup to point of failure

s the following error message:Which is the recommended sequence of operations you need to perform for the query successfully？（）

A. Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace.

B. Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online.

C. Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.

D. Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.

ntains oneredo member. When you attempt to start the database, you receive the following errors:ORA-00313: open failed for members of log group 1 of thread 1ORA-00312: online log 1 thread 1: ‘D:\REDO01.LOG‘You discover that the online redo log file of the current redo group is corrupted.Which statement should you use to resolve this issue？（）

A. ALTER DATABASE DROP LOGFILE GROUP 1;

B. ALTER DATABASE CLEAR LOGFILE GROUP 1;

C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;

D. ALTER DATABASE DROP LOGFILE MEMBER ‘D:\REDO01.LOG