A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using RMAN while connected to PDB1.

B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using SQL while connected to CDB$ROOT.

C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using SQL while connected to PDB1.

D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using RMAN while connected to CDB$ROOT.

E. This cannot be done due to the lack of a clean restore point.

A. It fails because no parallel channels are allocated for the auxiliary database.

B. It succeeds only if the target database is in MOUNT state.

C. It fails because there is no connection to a recovery catalog.

D. It succeeds and creates multisection backup sets that are used for active database duplication.

A. The restore point is a label for the system change number (SCN) before the archival backup was taken.

B. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.

C. All archive logs created after this backup are kept for two years.

D. The control file is included in the self-contained archival backup.

E. The SPFILEis included in the self-contaied archival backup.

F. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.

A. A target database's persistent RMAN configuration settings are always stored in the target's control file

B. Backups written to the fast recovery area (FRA) that are obsolete based on the redundancy retention policy can be deleted automatically to free space.

C. A DBA must specify either a redundancy retention policy or a recovery window retention policy.

D. Backups older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

E. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.

A. The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.

B. 존재하지 않는 트랜잭션이 행 잠금을 유지하는 경우 해당 행을 포함하는 블록은 논리적으로 손상됩니다.

C. DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.

D. 미디어 손상 블록은 블록이 올바르게 포맷되지 않은 블록입니다.

E. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.

F. 존재하지 않는 트랜잭션이 행 잠금을 유지하는 경우 해당 행이 포함된 블록의 미디어가 손상됩니다.